JP6032301B2 - Case, printing apparatus, cartridge, and printing material supply system - Google Patents

Case, printing apparatus, cartridge, and printing material supply system Download PDF

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Publication number
JP6032301B2
JP6032301B2 JP2015024065A JP2015024065A JP6032301B2 JP 6032301 B2 JP6032301 B2 JP 6032301B2 JP 2015024065 A JP2015024065 A JP 2015024065A JP 2015024065 A JP2015024065 A JP 2015024065A JP 6032301 B2 JP6032301 B2 JP 6032301B2
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side
cartridge
axis direction
portion
direction
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JP2015128904A (en
Inventor
雄司 青木
雄司 青木
佐藤 洋
洋 佐藤
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セイコーエプソン株式会社
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Priority to JP2012022819 priority
Priority to JP2015024065A priority patent/JP6032301B2/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/1752Mounting within the printer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17506Refilling of the cartridge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17506Refilling of the cartridge
    • B41J2/17509Whilst mounted in the printer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17526Electrical contacts to the cartridge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17543Cartridge presence detection or type identification
    • B41J2/17546Cartridge presence detection or type identification electronically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17553Outer structure

Description

  The present invention relates to a cartridge that accommodates a printing material therein, a printing material supply system that includes a cartridge and a printing device, and a printing device in which the cartridge is detachably mounted.

  A printer, which is an example of a printing apparatus, is detachably mounted with a cartridge that stores ink therein, and performs printing by supplying ink from the cartridge to a print head. In recent years, cartridges equipped with circuit boards storing information about ink (for example, ink color) have been used (for example, Patent Documents 1 to 5). The circuit board mounted on the cartridge includes a storage device that stores information about ink, and a terminal group (also referred to as a “cartridge side terminal group”) for electrical connection with the printer. By mounting the cartridge on the cartridge mounting portion of the printer, the cartridge-side terminal group and the terminal group (also referred to as “device-side terminal group”) provided in the cartridge mounting portion come into contact. As a result, the terminals of the cartridge side terminal group are electrically connected to the corresponding terminals of the apparatus side terminal group, and signals are exchanged between the printer and the cartridge.

JP 2003-341100 A JP 2007-230249 A US Pat. No. 6,203,147 Special Table 2002-505212 JP-T-2002-513341

  However, in the techniques of Patent Documents 1 and 2, there is a possibility that the cartridge-side terminal group and the apparatus-side terminal group cannot be brought into contact with each other due to a cartridge mounting portion or a manufacturing error of the cartridge.

  In the technique of Patent Document 3, a connector provided with a device-side terminal group is movably provided in a cartridge mounting portion. Specifically, the connector is configured to be movable in directions (X-axis direction and Y-axis direction in FIG. 7 of Patent Document 3) orthogonal to the cartridge insertion direction (Z-axis direction in FIG. 7 of Patent Document 3). Yes. In the technique of Patent Document 3, a recess is provided on the front surface of the cartridge, and a cartridge-side terminal group is disposed on a side surface along the insertion direction in the recess. In this technique, since the connector is configured to be movable, the connector moves in accordance with the position of the cartridge when the cartridge is mounted on the cartridge mounting portion. Thus, an attempt is made to satisfactorily make contact between the cartridge side terminal group and the apparatus side terminal group.

  In the above technique, the connector is positioned in the X-axis direction and the Y-axis direction by the four side surfaces of the recess in which the cartridge side terminal group is disposed. For this reason, an error may occur in the shape of the recess due to the design error of the cartridge, and the contact between the cartridge side terminal group and the apparatus side terminal group may not be satisfactorily achieved.

  In the above technique, there is a possibility that the device-side terminal group may rub against the side surface of the recess or the cartridge-side terminal group before the cartridge is inserted into the cartridge mounting portion and mounted on the cartridge mounting portion. When the device-side terminal group rubs against the side surfaces of the recesses, the constituent members of the cartridge may be scraped, resulting in scraps. In addition, dust may be attracted by static electricity generated when the device-side terminal group rubs against the side surfaces of the recesses. If shavings, dust, or the like is present around the device-side terminal group and the cartridge-side terminal group, contact between the device-side terminal group and the cartridge-side terminal group may not be achieved satisfactorily.

  In the techniques of Patent Documents 4 and 5, the connector is configured to be movable in the X-axis direction, which is a direction perpendicular to the cartridge insertion direction. In the techniques of Patent Documents 4 and 5, a recess is provided on the front surface of the cartridge, and a cartridge-side terminal group is provided on the bottom surface perpendicular to the insertion direction of the recess. In the techniques of Patent Documents 4 and 5, the guide member provided in the recess is inserted into the guide slot of the cartridge mounting portion, thereby positioning the cartridge side terminal group and the apparatus side terminal group.

  In the above technique, the cartridge-side terminal group is provided on the bottom surface of the recess that is recessed in the direction opposite to the insertion direction, and is in a relationship facing the apparatus-side terminal group in the insertion direction. Therefore, when the cartridge is attached to and detached from the cartridge mounting portion, it is possible to reduce the possibility that the device side terminal group rubs against the cartridge. However, the cartridge-side terminal group and the apparatus-side terminal group are in point contact until the cartridge is inserted into the cartridge mounting portion and connected. Therefore, there is a possibility that contact between the cartridge side terminal group and the apparatus side terminal group cannot be achieved due to a slight manufacturing error of the cartridge mounting portion or the cartridge.

  The above problems are particularly noticeable in large printers that print on large sheets (for example, A2-A0 size) because the cartridge size increases.

  The above-described problems are not limited to the cartridge and the printer to which the cartridge can be attached and detached, but a printing apparatus that supplies (jets) other types of printing materials (for example, toner) other than ink to the outside, and This is a problem common to cartridges that are detachably attached to the printing apparatus.

  Accordingly, an object of the present invention is to provide a technique for favorably contacting the cartridge side terminal group and the apparatus side terminal group.

SUMMARY An advantage of some aspects of the invention is to solve at least a part of the problems described above, and the invention can be implemented as the following forms or application examples.
[Form 1]
A case that can be mounted on a mounting portion of a printing apparatus, comprising: a printing material supply pipe; a device-side terminal group; a rail that guides the case to a mounting position; and a locking member that locks the case to the mounting position. There,
A case-side terminal group in contact with the device-side terminal group in a mounted state in which the case is mounted;
A convex portion that is inserted into the rail, and has a first portion and a second portion that are spaced apart in a direction along an insertion direction of the case into the mounting portion. ,
In the mounted state, the locking member is inserted between the first portion and the second portion in the direction along the insertion direction ,
The direction along the insertion direction is the Y-axis direction, orthogonal to the Y-axis direction, and the direction along the vertical direction in the mounted state is the Z-axis direction, and is orthogonal to the Y-axis direction and the Z-axis direction. When the direction is the X-axis direction,
The center of the convex portion in the X-axis direction passes through a case-side terminal that contacts a device-side terminal provided in a central portion of the device-side terminal group in the X-axis direction, and the Y-axis direction, and the A case that passes through the YZ plane, which is a plane parallel to the Z-axis direction .
According to this form, it can prevent that a case slips out from a mounting part.
[Form 2]
The case according to aspect 1,
In the wearing state,
A front surface formed with a supply pipe insertion hole into which the printing material supply pipe is inserted;
A rear surface facing the front surface;
A first side that is an upper surface;
A second side facing the first side;
A third side surface intersecting the front surface, the rear surface, the first side surface, and the second side surface;
A fourth side surface facing the third side surface,
The direction along the direction from the front surface to the rear surface is the Y-axis direction, the direction along the direction from the first side surface to the second side surface is the Z-axis direction, and the direction from the third side surface to the fourth side surface. in along the direction is the X-axis direction, to case.
[Form 3]
The case described in Form 2,
The case where the center in the X-axis direction of the locking part formed between the first part and the second part passes through the YZ plane.
[Form 4]
The case described in Form 3,
The YZ plane intersects with the locking member.
[Form 5]
The case according to aspect 1,
In the wearing state,
A first side that is an upper surface;
A second side facing the first side,
The said convex part is the case [form 6] currently formed in the said 1st side surface and the said 2nd side surface.
The case according to aspect 5, further comprising:
In the wearing state,
A front surface formed with a supply pipe insertion hole into which the printing material supply pipe is inserted;
A rear surface facing the front surface;
A third side surface intersecting the front surface, the rear surface, the first side surface, and the second side surface;
A fourth side surface facing the third side surface,
Direction along the direction from the third side to the fourth side is the X-axis direction,
In the X-axis direction, the dimension of the first convex part that is the convex part formed on the first side surface is different from the dimension of the second convex part that is the convex part formed on the second side surface. Case.
[Form 7]
The case according to any one of Form 1 to Form 6,
In the mounted state, the locking member is inserted between the first part and the second part in the direction along the insertion direction, so that the case is locked to the locking member and the A case in which movement of the case in the removal direction opposite to the insertion direction is restricted.
[Form 8]
A printing device;
A printing material supply system comprising: the case according to any one of forms 1 to 7.
[Form 9]
A printing device,
A mounting portion having a printing material supply pipe, a device-side terminal group, a rail for guiding the case to a mounting position, and a locking member for locking the case to the mounting position;
A printing apparatus in which the case according to any one of Form 1 to Form 7 is attached to the attachment unit.
[Mode 10]
A cartridge that can be mounted to a mounting portion of a printing apparatus, comprising: a printing material supply pipe; a device-side terminal group; a rail that guides the cartridge to a mounting position; and a locking member that locks the cartridge to the mounting position. There,
A cartridge-side terminal group in contact with the device-side terminal group in a mounted state in which the cartridge is mounted;
A convex portion that is inserted into the rail, and has a first portion and a second portion that are spaced apart in a direction along an insertion direction of the cartridge into the mounting portion. ,
In the mounted state, the locking member is inserted between the first portion and the second portion in the direction along the insertion direction ,
The direction along the insertion direction is the Y-axis direction, orthogonal to the Y-axis direction, and the direction along the vertical direction in the mounted state is the Z-axis direction, and is orthogonal to the Y-axis direction and the Z-axis direction. When the direction is the X-axis direction,
The center of the convex portion in the X-axis direction passes through the cartridge-side terminal in contact with the device-side terminal provided in the central portion in the X-axis direction of the device-side terminal group, and the Y-axis direction, and the A cartridge that passes through a YZ plane, which is a plane parallel to the Z-axis direction .
According to this form, it can prevent that a case slips out from a mounting part.
[Form 11]
The cartridge according to aspect 10,
In the wearing state,
A front surface formed with a supply pipe insertion hole into which the printing material supply pipe is inserted;
A rear surface facing the front surface;
A first side that is an upper surface;
A second side facing the first side;
A third side surface intersecting the front surface, the rear surface, the first side surface, and the second side surface;
A fourth side surface facing the third side surface,
The direction along the direction from the front surface to the rear surface is the Y-axis direction, the direction along the direction from the first side surface to the second side surface is the Z-axis direction, and the direction from the third side surface to the fourth side surface. it is the X-axis direction is the direction along the cartridge.
[Form 12]
The cartridge according to the eleventh aspect,
The center of the X-axis direction of the locking part formed between the first part and the second part passes through the YZ plane.
[Form 13]
The cartridge according to aspect 12,
The YZ plane intersects the locking member.
[Form 14]
The cartridge according to aspect 10,
In the wearing state,
A first side that is an upper surface;
A second side facing the first side,
The convex portion is a cartridge formed on the first side surface and the second side surface.
[Form 15]
The cartridge according to aspect 14, further comprising:
In the wearing state,
A front surface formed with a supply pipe insertion hole into which the printing material supply pipe is inserted;
A rear surface facing the front surface;
A third side surface intersecting the front surface, the rear surface, the first side surface, and the second side surface;
A fourth side surface facing the third side surface,
Direction along the direction from the third side to the fourth side is the X-axis direction,
In the X-axis direction, the dimension of the first convex part that is the convex part formed on the first side surface is different from the dimension of the second convex part that is the convex part formed on the second side surface. cartridge.
[Form 16]
The cartridge according to any one of Form 10 to Form 15,
In the mounted state, by inserting the locking member between the first portion and the second portion in the direction along the insertion direction, the cartridge is locked by the locking member and A cartridge in which movement of the cartridge in a removal direction opposite to the insertion direction is restricted.
[Form 17]
A printing device;
A printing material supply system comprising: the cartridge according to any one of Form 10 to Form 16.
[Form 18]
A printing device,
A mounting portion having a printing material supply pipe, a device side terminal group, a rail for guiding the cartridge to the mounting position, and a locking member for locking the cartridge to the mounting position;
A printing apparatus in which the cartridge according to any one of Form 10 to Form 16 is mounted on the mounting unit.

Application Example 1 Three spatial axes orthogonal to each other are defined as an X axis, a Y axis, and a Z axis, respectively, and directions along the X axis, the Y axis, and the Z axis are an X axis direction, a Y axis direction, and a Z axis direction, respectively. The positive directions along the X, Y, and Z axes are the + X, +, and + Z directions, respectively, and the negative directions along the X, Y, and Z axes are − When X-axis direction, -Y-axis direction, -Z-axis direction,
A cartridge is inserted into the −Y axis direction from the insertion port on the + Y axis direction side toward the apparatus side front wall portion on the −Y axis direction side, and provided on the apparatus side front wall portion. A printing material supply pipe, and a device-side terminal provided on the + Z axis direction side of the printing material supply pipe of the device-side front wall,
The device-side terminal portion includes a device-side terminal group in which a contact is provided on a surface inclined toward a direction including the + Y-axis direction component and the −Z-axis direction component, and the + X-axis direction side of the surface And first and second positioning portions respectively provided on the side of the X-axis direction side, and movable in the X-axis direction and the Z-axis direction with respect to the device-side front wall portion. A cartridge attached in a detachable manner to a printing apparatus,
When the X-axis, the Y-axis, and the Z-axis with respect to the cartridge in the mounted state in which the cartridge is mounted on the cartridge mounting portion are respectively the X-axis, Y-axis, and Z-axis of the cartridge,
Two surfaces facing each other in the Y-axis direction, the rear surface located on the + Y-axis direction side and the −Y-axis direction side, and the dimension in the Z-axis direction is larger than the dimension in the X-axis direction A large, generally rectangular front,
Two surfaces that intersect the front surface and the rear surface and are opposed in the Z-axis direction, a first side surface located on the + Z-axis direction side, and a second side surface located on the −Z-axis direction side,
A third side surface that intersects the front surface, the rear surface, the first side surface, and the second side surface and faces each other in the X-axis direction, and is located on the + X-axis direction side; and the −X-axis A fourth side surface located on the direction side;
A supply pipe insertion hole provided in the front surface and into which the printing material supply pipe is inserted;
Provided in a corner portion where the front surface and the first side surface intersect, and a recess into which the device-side terminal portion is inserted in the mounted state,
The recess is
An opening serving as an entrance when the device-side terminal portion is inserted into the recess;
A first side wall, a second side wall, and a bottom wall that constitute at least part of the inner wall of the recess,
The first side wall and the second side wall oppose each other in the X-axis direction, the first side wall is located on the + X-axis direction side, and the second side wall is on the −X-axis direction side Located in
The bottom wall is inclined toward a direction including the −Y-axis direction component and the + Z-axis direction component, and has an inclined surface provided with a cartridge-side terminal group that contacts the device-side terminal group in the mounted state. Have
The first side wall is in contact with the first positioning portion in the + Z-axis direction and the + X-axis direction in the mounted state, so that the device side terminal portion moves in the + Z-axis direction and the + X-axis direction side. A first restricting part for restricting is provided;
The second side wall is in contact with the second positioning portion in the + Z-axis direction and the −X-axis direction in the mounted state so that the device-side terminal portion moves in the + Z-axis direction and the −X-axis direction. A cartridge provided with a second restriction portion for restriction.

  In the printing apparatus to which the cartridge described in Application Example 1 is mounted, the apparatus-side terminal portion is movable in the X-axis direction and the Z-axis direction, and the cartridge described in Application Example 1 is provided on such an apparatus side. It has a recess into which the terminal portion is inserted. As a result, even if there is a manufacturing error in the cartridge mounting part or cartridge, when the cartridge is mounted in the cartridge mounting part, the device side terminal part moves, so that the error can be absorbed and absorbed in the cartridge recess. The device-side terminal portion is led to Finally, the device-side terminal group and the cartridge-side terminal group are positioned by the first and second restricting portions provided in the recess. That is, when the mounting is completed and in the mounting state, the first and second restricting portions provided in the concave portion of the cartridge are in the + Z-axis direction and the ± X-axis direction of the first and second positioning portions of the device-side terminal portion. By restricting the movement, the apparatus-side terminal group and the cartridge-side terminal group are positioned. Therefore, the contact between the apparatus side terminal group and the cartridge side terminal group can be favorably achieved.

  In the printing apparatus to which the cartridge described in Application Example 1 is mounted, the apparatus-side terminal group is provided on a surface inclined toward a direction including the + Y-axis direction component and the −Z-axis direction component. In the cartridge described in Example 1, the cartridge-side terminal group is provided on an inclined surface that is inclined toward a direction including the −Y-axis direction component and the + Z-axis direction component. That is, both the device-side terminal group and the cartridge-side terminal group are provided on surfaces that are inclined with respect to the −Y-axis direction, which is the cartridge insertion direction. When the cartridge is inserted into the cartridge mounting portion, the cartridge advances in the −Y axis direction. At this time, the cartridge-side terminal group also advances in the −Y-axis direction and gradually approaches the apparatus-side terminal group, but the two do not contact each other until just before the mounting is completed. In the final stage of mounting, after the apparatus-side terminal portion is inserted into the concave portion of the cartridge, the apparatus-side terminal group and the cartridge-side terminal group slightly rub against each other immediately before the mounting is completed. When the mounting is completed and in the mounting state, the first and second restricting portions provided in the concave portion of the cartridge are in the + Z-axis direction and the ± X-axis direction of the first and second positioning portions of the device-side terminal portion. By restricting the movement, the apparatus-side terminal group and the cartridge-side terminal group are positioned. As described above, the apparatus-side terminal group and the cartridge-side terminal group hardly rub against each other when the cartridge is mounted, while the apparatus-side terminal group and the cartridge-side terminal group slightly rub against each other immediately before the cartridge mounting is completed. Thus, when the cartridge is mounted, the possibility that the device side terminal group rubs against the cartridge and scraps is generated can be reduced. Even if dust exists near the device-side terminal group and is sandwiched between the device-side terminal group and the cartridge-side terminal group, the device-side terminal group rubs the surface of the cartridge-side terminal group linearly. By performing the contact, the effect of discharging dust from the contact portion (wiping effect) is exhibited, and the possibility that dust is caught between the device-side terminal group and the cartridge-side terminal group can be reduced.

[Application Example 2] The cartridge according to Application Example 1,
The first restricting portion and the second restricting portion are in contact with the + Z-axis direction side end portion of the corresponding positioning portion of the first and second positioning portions in the mounted state. A cartridge comprising a direction-side contact surface and a -Z-axis direction side contact surface that contacts the -Z-axis direction side end portion of the corresponding positioning portion among the first and second positioning portions.

  According to the cartridge described in the application example 2, in the mounted state, the first restricting portion is in contact with the + Z-axis direction side end portion of the first positioning portion, the + Z-axis direction side contact surface, and the −Z-axis direction side end portion. The second restricting portion is in contact with the + Z-axis direction side end portion of the second positioning portion, and the −Z-axis direction side end portion is in contact with the + Z-axis direction side contact surface. -Z-axis direction side contact surface that contacts with. That is, the first and second restricting portions restrict the movement of the first and second positioning portions in the ± Z-axis direction. Thereby, the positioning of the device side terminal group with respect to the cartridge side terminal group can be performed with high accuracy. Therefore, contact between the device-side terminal group and the cartridge-side terminal group can be further improved. Moreover, since the device-side terminal portion can be held on both sides in the + Z-axis direction and the −Z-axis direction, even if vibration or an external impact is applied when using the printing apparatus, The displacement of the contact position with the cartridge side terminal group can be suppressed.

[Application Example 3] The cartridge according to Application Example 2,
The first restricting portion and the second restricting portion are:
An inlet portion extending from the opening provided on the end surface on the -Y-axis direction side to the + Y-axis direction side, and the dimension in the Z-axis direction monotonously decreasing toward the + Y-axis direction;
The positioning portion corresponding to one of the first and second positioning portions that extends from the end portion in the + Y-axis direction of the entrance portion to the + Y-axis direction side, has a constant dimension in the Z-axis direction, and is in the mounted state. And a contact portion that contacts the cartridge.

  According to the cartridge described in Application Example 3, the cartridge and the cartridge mounting portion may have manufacturing errors in the Z-axis direction by providing the inlet portion in which the dimension in the Z-axis direction monotonously decreases from the −Y-axis direction toward the + Y-axis direction. Even if this occurs, the positioning portion of the device side terminal portion movable in the Z-axis direction can be easily guided to the restriction portion provided in the concave portion of the cartridge. In addition, since the contact portion having a constant dimension in the Z-axis direction is provided, the device-side terminal group is positioned relative to the cartridge-side terminal group by guiding the positioning portion of the device-side terminal portion to the entrance portion and then pushing it to the contact portion. It can be performed with high accuracy.

[Application Example 4] The cartridge according to any one of Application Examples 1 to 3,
The first and second restricting portions have a + Y-axis direction side contact surface that contacts the + Y-axis direction side end portion of the corresponding positioning portion among the first and second positioning portions in the mounted state. Each cartridge is equipped.

  According to the cartridge described in Application Example 4, the first and second restricting portions restrict the positions of the + Y-axis direction side end portions of the first and second positioning portions, respectively. As a result, when the cartridge is inserted into the cartridge mounting portion, the device-side terminal portion excessively advances in the + Y-axis direction, thereby preventing a strong collision with the bottom wall in the cartridge recess. Thereby, destruction of an apparatus side terminal part can be prevented.

[Application Example 5] The cartridge according to any one of Application Examples 1 to 4,
A cartridge in which a pair of bottom wall side recesses are formed between the inclined surface and the first side wall and between the inclined surface and the second side wall among the bottom walls.

  According to the cartridge described in Application Example 5, substantially triangular surfaces are exposed on the side of the cartridge side terminal group on the + X axis direction side and the −X axis direction side. Thereby, when the cartridge side terminal group is provided on the circuit board, the circuit board can be easily attached and detached. In addition, a pair of device side terminal groups protrudes in the direction including the + Y-axis direction component and the −Z-axis direction component with respect to the surface on the + X-axis direction side and the −X-axis direction side. If a protrusion is provided to be received in the bottom wall side recess, in addition to positioning of the cartridge side terminal group and the apparatus side terminal group by the restricting part and the positioning part and suppression of displacement, the cartridge side terminal group and the apparatus side terminal Even at a position closer to the group, it is possible to perform both positioning and suppression of displacement. Therefore, contact between the device-side terminal group and the cartridge-side terminal group can be further improved.

[Application Example 6] The cartridge according to any one of Application Examples 1 to 5,
A rod insertion hole into which a rod provided on the device-side front wall is inserted at an intermediate position in the Z-axis direction between the first side surface and the second side surface of the front surface;
The cartridge, wherein the supply pipe insertion hole is provided between the rod insertion hole and the recess.

According to the cartridge described in Application Example 6, when the rod is inserted into the rod insertion hole, the entire cartridge is positioned with respect to the cartridge mounting portion, and displacement from the correct mounting position is suppressed. Therefore, the position shift in the vicinity of the rod insertion hole can be satisfactorily suppressed. On the other hand, the cartridge side terminal group provided at the front corner and the rod insertion hole are at a distance from each other, and it is difficult to suppress the displacement of the member at a position away from the rod insertion hole. There is a case. In particular, a large-capacity type cartridge used in a printing apparatus for large format printing has a large size, and the cartridge side terminal group and the rod insertion hole are located at a certain distance. However, as described above, the cartridge side terminal group and the apparatus can be obtained by adopting the configuration of the apparatus side terminal portion movable in the X-axis direction and the Z-axis direction and the concave portion into which such an apparatus side terminal portion is inserted. Positioning with the side terminal group can be performed with high accuracy. That is, even for a large-capacity type large cartridge, positioning the device-side terminal group and the cartridge-side terminal group with high accuracy while accurately positioning the entire cartridge and absorbing manufacturing errors of the cartridge It becomes possible to do.
According to this application example, the supply pipe insertion hole into which the printing material supply pipe is inserted is provided between the rod insertion hole and the recess. That is, the printing material supply pipe is provided at a position closer to the rod. The supply pipe insertion hole is provided at a position closer to the rod insertion hole. Therefore, the positional deviation between the printing material supply pipe and the supply pipe insertion hole can be satisfactorily suppressed.

[Application Example 7] The cartridge according to any one of Application Examples 1 to 6,
The first restricting portion is a groove recessed in the + X-axis direction from the first side wall,
The cartridge, wherein the second restricting portion is a groove recessed in the −X-axis direction from the second side wall.

  According to the cartridge described in Application Example 7, the first and second restricting portions for restricting the movement of the first and second positioning portions by forming the grooves on the first and second side walls, respectively. Can be easily formed.

[Application Example 8] The cartridge according to any one of Application Examples 1 to 6,
The first restricting portion is configured by a convex portion protruding in the −X axis direction from the first side wall,
The second restriction part is a cartridge configured by a convex part protruding in the + X-axis direction from the second side wall.

  According to the cartridge described in the application example 8, the first positioning portion and the second positioning portion can be easily formed by providing the first side wall and the second side wall with the protruding portions protruding in the X-axis direction. .

[Application Example 9] A printing material supply system,
A printing device;
Including the cartridge according to any one of Application Examples 1 to 8.
The printing apparatus includes:
Three spatial axes orthogonal to each other are defined as an X axis, a Y axis, and a Z axis, respectively, and directions along the X axis, the Y axis, and the Z axis are defined as an X axis direction, a Y axis direction, and a Z axis direction, respectively. , The positive direction along the Y axis and the Z axis are the + X axis direction, the + Y axis direction, and the + Z axis direction, respectively, and the negative directions along the X axis, the Y axis, and the Z axis are respectively the −X axis direction, − When the Y-axis direction and -Z-axis direction are used,
A cartridge is inserted into the −Y axis direction from the insertion port on the + Y axis direction side toward the apparatus side front wall portion on the −Y axis direction side, and provided on the apparatus side front wall portion. A printing material supply pipe, and a device-side terminal provided on the + Z axis direction side of the printing material supply pipe of the device-side front wall,
The device-side terminal portion includes a device-side terminal group in which a contact is provided on a surface inclined toward a direction including the + Y-axis direction component and the −Z-axis direction component, and the + X-axis direction side of the surface And first and second positioning portions respectively provided on the side of the X-axis direction side, and movable in the X-axis direction and the Z-axis direction with respect to the device-side front wall portion. Printing material supply system that can be installed in a stable condition.

  According to the printing material supply system described in the application example 9, the holder provided with the device-side terminal group is configured to be movable in the X-axis direction and the Z-axis direction. As a result, even when a manufacturing error occurs in the cartridge mounting portion or the cartridge, when the cartridge is mounted in the cartridge mounting portion, the device side terminal group provided on the holder moves to a position where it contacts the cartridge side terminal group. . Finally, the device-side terminal group and the cartridge-side terminal group are positioned by the first and second restricting portions provided in the concave portion of the cartridge. That is, when the mounting is completed and in the mounting state, the first and second restricting portions provided in the concave portion of the cartridge cause the first and second positioning portions of the device side terminal portion in the + Z-axis direction and the ± X-axis direction. By restricting the movement, the apparatus-side terminal group and the cartridge-side terminal group are positioned. Therefore, the contact between the apparatus side terminal group and the cartridge side terminal group can be favorably achieved. In addition, since the cartridge described in any one of Application Examples 1 to 8 is provided, the same effects as those described in Application Examples 1 to 8 are achieved.

Application Example 10 A printing apparatus in which a cartridge having a cartridge side terminal group is detachably mounted,
Three spatial axes orthogonal to each other are defined as an X axis, a Y axis, and a Z axis, respectively, and directions along the X axis, the Y axis, and the Z axis are defined as an X axis direction, a Y axis direction, and a Z axis direction, respectively. , The positive direction along the Y axis and the Z axis are the + X axis direction, the + Y axis direction, and the + Z axis direction, respectively, and the negative directions along the X axis, the Y axis, and the Z axis are respectively the −X axis direction, − When the Y-axis direction and -Z-axis direction are used,
A cartridge mounting portion in which the cartridge is inserted in the −Y-axis direction from the insertion port on the + Y-axis direction side toward the device-side front wall on the −Y-axis direction side;
A printing material supply pipe provided on the apparatus-side front wall,
An apparatus-side terminal provided on the + Z-axis direction side of the printing material supply pipe of the apparatus-side front wall, and
The device-side terminal portion includes a device-side terminal group in which a contact is provided on a surface inclined toward a direction including the + Y-axis direction component and the −Z-axis direction component, and the + X-axis direction side of the surface And first and second positioning portions respectively provided on the side of the X-axis direction side, and movable in the X-axis direction and the Z-axis direction with respect to the device-side front wall portion. A printing device that can be installed in a stable condition.

  According to the printing apparatus described in the application example 10, the apparatus-side terminal unit having the apparatus-side terminal group is movable in the X-axis direction and the Z-axis direction. Thereby, even when a manufacturing error occurs in the cartridge mounting portion or the cartridge, when the cartridge is mounted in the cartridge mounting portion, the apparatus side terminal group moves to a position where it contacts the cartridge side terminal group. Therefore, the contact between the apparatus side terminal group and the cartridge side terminal group can be favorably achieved.

[Application Example 11] The printing apparatus according to Application Example 10,
The cartridge mounting portion is two wall portions that intersect the device-side front wall portion and face each other in the Z-axis direction, the first device-side side wall portion disposed on the + Z-axis direction side, and the −Z-axis A second device side wall portion disposed on the direction side,
Of the device-side front wall portion, a rod having a central axis parallel to the Y-axis direction is provided at an intermediate position between the first device-side sidewall portion and the second device-side sidewall portion,
The printing material supply pipe is a printing apparatus provided between the rod and the apparatus-side terminal portion.

  According to the printing apparatus described in the application example 11, the entire cartridge is positioned with respect to the cartridge mounting portion by the rod, and the positional deviation from the correct mounting position can be suppressed. Further, a printing material supply pipe is provided between the rod and the device side terminal portion. That is, the printing material supply pipe is provided at a position relatively close to the rod. Therefore, the positional deviation between the printing material supply pipe and the supply pipe insertion hole of the cartridge in which the printing material supply pipe is inserted can be satisfactorily suppressed. As described above, the positional deviation in the vicinity of the rod can be satisfactorily suppressed, but the device-side terminal group and the rod are located at separate positions, and it may be difficult to suppress the positional deviation. In particular, the printer for large format printing is large in size, and the device side terminal group and the rod are located at a certain distance. However, as described above, by adopting the device-side terminal portion that is movable in the X-axis direction and the Z-axis direction, when the cartridge is mounted on the cartridge mounting portion, the device-side terminal group becomes different from the cartridge-side terminal group. Move to the point of contact. Therefore, positioning between the cartridge side terminal group and the apparatus side terminal group can be performed with high accuracy.

  The present invention can be realized in various forms. In addition to the above-described configuration of the cartridge and the printing material supply system, the printing apparatus, the manufacturing method of the printing apparatus, the manufacturing method of the cartridge, and the like Can be realized.

1 is a perspective view illustrating a configuration of a printing material supply system 1. FIG. It is an external appearance perspective view which shows the cartridge mounting part 6 mounted. FIG. 3 is a sectional view taken along the line 2-2 in FIG. 2. FIG. 6 is an enlarged view of a portion that circulates on the cartridge mounting portion 6 side. 3 is a first external perspective view of a cartridge mounting unit 6. FIG. FIG. 10 is a second external perspective view of the cartridge mounting portion 6. FIG. 10 is a third external perspective view of the cartridge mounting portion 6. FIG. 10 is a fourth external perspective view of the cartridge mounting portion 6. FIG. 10 is a fifth external perspective view of the cartridge mounting portion 6. It is a 1st external appearance perspective view of the apparatus side front wall part 62 and a peripheral member. It is a 2nd external appearance perspective view of the apparatus side front wall part 62 and a peripheral member. It is a disassembled perspective view of the apparatus side front wall part 62 and a peripheral member. It is 10-10 sectional drawing of FIG. 3 is a first exploded perspective view of a device-side terminal unit 70. FIG. 5 is a second exploded perspective view of the device-side terminal unit 70. FIG. 3 is a first external perspective view of a device-side terminal unit 70. FIG. FIG. 10 is a second external perspective view of the device-side terminal unit 70. It is 17-17 sectional drawing of FIG. FIG. 3 is a first external perspective view of the cartridge 4. FIG. 10 is a second external perspective view of the cartridge 4. 3 is a front view of the cartridge 4. FIG. 4 is a rear view of the cartridge 4. FIG. 4 is a top view of the cartridge 4. FIG. 4 is a bottom view of the cartridge 4. FIG. 3 is a first side view of the cartridge 4. FIG. FIG. 6 is a second side view of the cartridge 4. It is an external appearance perspective view of the recessed part 90 vicinity. FIG. 6 is a front view of the vicinity of a recess 90. It is 28a-28a sectional drawing of FIG. It is 28b-28b sectional drawing of FIG. It is a figure for demonstrating the connection state of the apparatus side terminal part 70 and the circuit board 50. FIG. It is 28a-28a sectional drawing in a mounting state. It is a 1st figure for demonstrating a contact aspect. It is a 2nd figure for demonstrating a contact aspect. It is a 3rd figure for demonstrating a contact aspect. It is a 4th figure for demonstrating a contact aspect. 4 is an exploded perspective view of the cartridge 4. FIG. It is a front view of the 1st modification. It is 38-38 sectional drawing of FIG. 38A. It is a front view of the 2nd modification. It is 39-39 sectional drawing of FIG. 39A. It is a front view of a 3rd modification. It is 40-40 sectional drawing of FIG. 40A. It is a front view of the 4th modification. FIG. 41B is a cross-sectional view taken along line 41-41 of FIG. 41A. It is a front view of the 5th modification. FIG. 42B is a cross-sectional view taken along line 42-42 of FIG. 42A. It is a front view of the 6th modification. 43B is a cross-sectional view taken along line 43-43 of FIG. 43A. It is a front view of the 7th modification. FIG. 44B is a cross-sectional view taken along the line 44-44 of FIG. 44A. It is a front view of the 8th modification. It is 45-45 sectional drawing of FIG. 45A. It is a front view of the 9th modification. FIG. 46B is a cross-sectional view taken along the line 46-46 of FIG. 46A.

Next, embodiments of the present invention will be described in the following order.
A. First embodiment:
B. Second embodiment:
C. Variations:

A. First embodiment:
A-1. Overall configuration of printing material supply system:
FIG. 1 is a perspective view illustrating a configuration of a printing material supply system 1. In FIG. 1, XYZ axes, which are three spatial axes orthogonal to each other, are drawn. The directions in which the X-axis, Y-axis, and Z-axis arrows are directed indicate positive directions along the X-axis, Y-axis, and Z-axis, respectively. Positive directions along the X axis, Y axis, and Z axis are defined as + X axis direction, + Y axis direction, and + Z axis direction, respectively. The direction opposite to the direction in which the X-axis, Y-axis, and Z-axis arrows are directed is the negative direction along the X-axis, Y-axis, and Z-axis, respectively. Negative directions along the X axis, Y axis, and Z axis are defined as -X axis direction, -Y axis direction, and -Z axis direction, respectively. Those that are positive or negative in the direction along the X axis, Y axis, and Z axis are referred to as the X axis direction, the Y axis direction, and the Z axis direction, respectively. The same applies to the drawings and explanations shown hereinafter. The directions of the XYZ axes drawn in other drawings correspond to the XYZ axes in FIG. The printing material supply system 1 includes a printer 10 as a printing device and a cartridge 4.

  The printer 10 of this embodiment is an ink jet printer that ejects ink from a head 22. The printer 10 is a large-sized printer that performs printing on large paper (A2 to A0, etc.) such as a poster. The printer 10 includes a cartridge mounting unit 6, a control unit 31, a carriage 20, a head 22, and a drive mechanism 30. In addition, the printer 10 includes an operation button 15 for the user to operate the operation of the printer 10.

  A plurality of cartridges 4 are detachably mounted on the cartridge mounting portion 6. In the present embodiment, four types of cartridges 4 corresponding to four colors (black, yellow, magenta, cyan) of ink are installed one by one, that is, a total of four cartridges 4 are mounted on the cartridge mounting unit 6. In the printer 10 of the present embodiment, a replacement cover 13 is provided on the front surface (the surface on the + Y axis direction side). When the + Z-axis direction side of the replacement cover 13 is tilted to the near side (+ Y-axis direction side), the opening of the cartridge mounting portion 6 appears and the cartridge 4 can be attached and detached. When the cartridge 4 is mounted on the cartridge mounting portion 6, ink can be supplied to the head 22 provided on the carriage 20 via the tube 24. In this embodiment, ink is supplied to the head 22 by sucking ink in the cartridge 4 by a pump mechanism (not shown) of the printer 10. The tube 24 is provided for each type of ink. The state in which the cartridge 4 is mounted on the cartridge mounting unit 6 is also referred to as “mounted state”.

  The head 22 is provided with a nozzle for each type of ink. The head 22 prints data such as characters and images by ejecting ink from the ejection nozzle toward the printing paper 2. The manner in which the cartridge 4 is mounted on the cartridge mounting portion 6 and the detailed configuration of the cartridge 4 and the cartridge mounting portion 6 will be described later. In this embodiment, the printer 10 is a so-called “off-carriage type” printer in which the cartridge mounting unit 6 does not interlock with the movement of the carriage 20. The present invention can also be applied to a so-called “on-carriage type” printer in which the cartridge mounting unit 6 is provided in the carriage 20 and the cartridge mounting unit 6 moves together with the carriage 20.

  The control unit 31 controls each unit of the printer 10 and exchanges signals with the cartridge 4. The carriage 20 moves the head 22 relative to the printing paper 2.

  The drive mechanism 30 reciprocates the carriage based on a control signal from the control unit 31. The drive mechanism 30 includes a timing belt 32 and a drive motor 34. By transmitting the power of the drive motor 34 to the carriage 20 via the timing belt 32, the carriage 20 reciprocates in the main scanning direction (X-axis direction). The printer 10 also includes a transport mechanism for moving the printing paper 2 in the sub-scanning direction (+ Y axis direction). When printing is performed, the printing paper 2 is moved in the sub-scanning direction by the transport mechanism, and the printing paper 2 after printing is output on the front cover 11.

  Further, an area called a home position is provided at a position outside the printing area where the carriage 20 is moved in the main scanning direction, and a maintenance mechanism for performing maintenance so that printing can be performed normally is installed at the home position. Has been. The maintenance mechanism is pressed against the surface (nozzle surface) on which the nozzle is formed on the bottom surface side (side facing the printing paper 2) of the head 22, and forms a closed space so as to surround the ejection nozzle. In order to press the cap member 8 against the nozzle surface of the head 22, an elevating mechanism (not shown) for raising and lowering the cap member 8, or to introduce a negative pressure into a closed space formed by pressing the cap member 8 against the nozzle surface of the head 22. A suction pump (not shown) is used.

  In this embodiment, when the printing material supply system 1 (printer 10, cartridge 4) is in use, the axis along the sub-scanning direction for transporting the printing paper 2 is the Y axis, and the axis is along the gravity direction (vertical direction). Is the Z-axis, and the axis along the moving direction (left-right direction) of the carriage 20 is the X-axis. Here, the “use state of the printing material supply system 1” means a state in which the printing material supply system 1 is installed on a horizontal surface. In this embodiment, the sub-scanning direction (front direction) is the + Y axis direction, the opposite direction (rear direction) is the -Y axis direction, and the direction from the lower side to the upper side in the gravity direction (upward direction) is the + Z axis direction. The opposite direction (downward direction) is defined as the −Z axis direction. When the printing material supply system 1 is viewed from the front side (+ Y-axis direction side), the direction from the right side to the left side is the + X-axis direction, and the opposite direction is the −X-axis direction. In this embodiment, the insertion direction when the cartridge 4 is mounted on the cartridge mounting portion 6 is also the −Y axis direction, and the direction when the cartridge 4 is removed from the cartridge mounting portion 6 is also the + Y axis direction. Therefore, in the cartridge mounting portion 6, the −Y axis direction side is also called the back side, and the + Y axis direction side is also called the near side. In the present embodiment, the arrangement direction of the plurality of cartridges 4 is also the X-axis direction.

  FIG. 2 is an external perspective view showing the cartridge mounting portion 6 in the mounted state. FIG. 2 shows a state where four cartridges 4 are mounted in the slots of the cartridge mounting unit 6. Of the four slots, except for one slot on the −X axis direction side, the lever 672 is pushed down in three slots. Thus, after the cartridge 4 is mounted on the cartridge mounting portion 6, the lever 672 is pushed down, thereby restricting the movement of the cartridge 4 and preventing the cartridge 4 from coming out of the cartridge mounting portion 6. When removing the cartridge 4 from the cartridge mounting portion 6, the lever 672 is pushed up to release the restriction, and the cartridge 4 is removed. The lever 672 is provided so as to be movable in the Z-axis direction on a wall portion 67 in which an insertion port 69 is formed through which the cartridge 4 passes when the cartridge 4 is attached and detached. The ink in the mounted cartridge 4 flows through the tube 24 when the pump mechanism 7 is driven. The detailed configuration of the cartridge mounting unit 6 will be described later.

  3 is a cross-sectional view taken along line 2-2 of FIG. FIG. 3 illustrates a part of the cartridge mounting portion 6 and the cartridge 4. When the cartridge 4 is mounted on the cartridge mounting portion 6, the ink is circulated from the printing material storage portion 450 of the cartridge 4 to the tube 24 as indicated by the arrow by driving the pump mechanism 7.

  FIG. 4 is a partially enlarged view of FIG. 3 on the −Y axis direction side. In the mounted state, the constituent members of the cartridge 4 and the cartridge mounting portion 6 are arranged as follows.

  That is, the printing material supply tube 642 of the cartridge mounting unit 6 is inserted into and connected to the printing material outlet tube 484 of the cartridge 4. The printing material outlet tube 484 distributes the ink in the printing material container 450 to the outside (the printing material supply tube 642). The printing material supply pipe 642 circulates the ink discharged from the printing material outlet pipe 484 so as to be sent to the head. Further, in the mounted state, the rod 662 of the cartridge mounting portion 6 contacts the lever member 490 of the cartridge 4. The rod 662 and the lever member 490 are used for detecting on the printer 10 side a state in which the ink in the printing material container 450 has run out (also referred to as an “ink end state”). Specifically, the ink end state is detected by detecting the displacement of the rod 662 by the sensor 138. Here, the ink end state refers to a state in which the ink in the cartridge 4 has run out, or a state in which the ink has remained.

  Further, each terminal of a cartridge side terminal group (not shown) provided on the surface of the circuit board 50 of the cartridge 4 comes into contact with each corresponding terminal of the device side terminal group 721 of the cartridge mounting portion 6. The device-side terminal group 721 is electrically connected to the connector 739, and wiring (not shown) connected to the connector 739 is electrically connected to the control unit 31 of the printer 10. As a result, the storage device of the circuit board 50 and the control unit 31 are electrically connected, and signals can be exchanged between the control unit 31 and the circuit board 50. Here, the device-side terminal group 721 and the connector 739 are constituent members of the device-side terminal unit 70. The detailed configuration of the device-side terminal unit 70 will be described later.

A-2. Detailed configuration of cartridge mounting part:
A detailed configuration of the cartridge mounting unit 6 will be described with reference to FIGS. FIG. 5 is a first external perspective view of the cartridge mounting portion 6. FIG. 6 is a second external perspective view of the cartridge mounting portion 6. FIG. 7 is a third external perspective view of the cartridge mounting portion 6. FIG. 8 is a fourth external perspective view of the cartridge mounting portion 6. FIG. 9 is a fifth external perspective view of the cartridge mounting portion 6. 5 and 8, the tube 24 attached to the cartridge mounting portion 6 is shown. 6, 7, and 9, a part of the configuration is omitted so that the internal configuration of the cartridge mounting portion 6 can be visually recognized. The cartridge mounting unit 6 of this embodiment is configured so that the four cartridges 4 can be attached and detached independently, but the number of cartridges 4 attached and detached can be increased according to the specifications of the printer 10. That is, as shown in FIG. 6, a spare mounting space or member is provided on the most + X-axis direction side so that the increased cartridge 4 can be mounted.

  As shown in FIG. 5, the cartridge mounting portion 6 has a cartridge housing chamber 61 for housing the cartridge 4 by six wall portions described below. The cartridge storage chamber 61 has a substantially rectangular parallelepiped shape. The shape of the cartridge housing chamber 61 corresponds to the external shape of the cartridge 4. In the cartridge housing chamber 61, each portion that houses one of the four cartridges 4 is also referred to as a slot.

  The cartridge mounting portion 6 includes a device-side front wall portion 62, a first device-side side wall portion 63, and a second device-side side wall portion 64. The cartridge mounting portion 6 includes a third device side wall portion 65, a fourth device side wall portion 66, and an opening wall portion 67. A cartridge housing chamber 61 is defined by these six wall portions 62, 63, 64, 65, 66, 67. Each of the six wall portions 62, 63, 64, 65, 66, and 67 has a substantially rectangular shape.

  As shown in FIGS. 5 and 6, the apparatus-side front wall 62 is located on the −Y axis direction side with respect to the cartridge housing chamber 61. The apparatus-side front wall portion 62 is a vertical wall portion when the printer 10 is used.

  As shown in FIG. 6, the device-side front wall portion 62 is provided with a device-side terminal portion 70, a printing material supply mechanism 640, and a rod 662. Specifically, the device-side terminal unit 70, the printing material supply mechanism 640, and the rod 662 are arranged in order from the + Z-axis direction to the -Z-axis direction. The device-side terminal unit 70 and the printing material supply mechanism 640 are provided on the surface of the device-side front wall 62 on the + Y-axis direction side (the side where the cartridge housing chamber 61 is located). The rod 662 is provided so as to penetrate the apparatus-side front wall 62 in the Y-axis direction. The pump mechanism 7 is provided on the −Y axial direction side (the side opposite to the cartridge housing chamber 61) of the apparatus-side front wall portion 62.

  The printing material supply mechanism 640 includes the above-described printing material supply pipe 642 and is used to distribute the ink in the cartridge 4 to the printer 10 side. The device-side terminal unit 70 includes the device-side terminal group 721 (FIG. 7) and the connector 739 (FIG. 6), and is used to electrically connect the cartridge 4 and the printer 10. As shown in FIG. 6, the device-side terminal portion 70 is provided on the first device-side side wall portion 63 side (+ Z axis direction side) with respect to the printing material supply pipe 642. The rod 662 is used for detecting the ink end state of the cartridge 4 on the printer 10 side. That is, the rod 662 constitutes a part of a detection mechanism of the printer 10 described later. The rod 662 also functions as a positioning member for suppressing displacement from the correct mounting position when the cartridge 4 is mounted on the cartridge mounting portion 6. The detailed configurations of the device-side terminal unit 70, the printing material supply mechanism 640, and the rod 662 will be described later.

  As shown in FIG. 5, the first apparatus-side side wall 63 is located on the + Z-axis direction side with respect to the cartridge housing chamber 61. The first device-side side wall 63 is provided in a direction that intersects with the device-side front wall 62. In the present embodiment, the first device-side side wall 63 is provided in a direction orthogonal to the device-side front wall 62. The first device side wall 63 is a horizontal wall when the printer 10 is in use. The first apparatus side wall 63 constitutes the upper surface of the cartridge mounting part 6. In this specification, “intersect” or “intersect” means (i) a state where two elements intersect each other and actually intersect, and (ii) when one element is extended, it intersects with the other element. This means that the state is one of a state and (iii) a state where the mutual elements intersect when the mutual elements are extended.

  As shown in FIG. 7, the first device side wall 63 has a first rail 682 for guiding the cartridge 4 to the mounting position. The first rail 682 is provided corresponding to at least the number of cartridges 4 to be mounted. In this embodiment, four first rails 682 are provided in total, with four cartridges 4 to be actually mounted and one spare. The first rail 682 is a groove extending in the Y-axis direction, and a part of the cartridge 4 is inserted therein. Further, a leaf spring 684 as a locking member is provided at the end of the first rail 682 on the −Y axis direction side. In the mounted state, the leaf spring 684 locks the cartridge 4 to prevent the cartridge 4 from coming out of the cartridge mounting portion 6.

  As shown in FIGS. 5, 6, and 9, the second apparatus-side side wall 64 is located on the −Z axis direction side with respect to the cartridge housing chamber 61. The second device-side side wall 64 faces the first device-side side wall 63 with the cartridge storage chamber 61 interposed therebetween. The second device-side side wall 64 is provided in a direction that intersects with the device-side front wall 62. In the present embodiment, the second device side wall portion 64 is orthogonal to the device side front wall portion 62. The second device-side side wall 64 is a horizontal wall when the printer 10 is in use. The second device side wall portion 64 constitutes the bottom surface of the cartridge mounting portion 6.

  As shown in FIG. 6, the second apparatus side wall 64 has a second rail 602 for guiding the cartridge 4 to the mounting position. The second rail 602 is provided corresponding to at least the number of cartridges to be mounted. In the present embodiment, five second rails 602 are provided in the same manner as the first rails 682. The second rail 602 is a groove extending in the Y-axis direction, and a part of the cartridge 4 is inserted therein. Further, a leaf spring 604 as a locking member is provided at the end of the second rail 602 on the −Y axis direction side. In the mounted state, the leaf spring 604 locks the cartridge 4 to prevent the cartridge from coming out of the cartridge mounting portion 6. The first rail 682 and the second rail 602 on which the same cartridge 4 is mounted are provided at positions facing each other across the cartridge storage chamber 61.

  The first rail 682 and the second rail 602 have different dimensions in the X-axis direction. Specifically, the first rail 682 has a smaller dimension in the X-axis direction than the second rail 602. Thus, when the cartridge 4 is erroneously reversed in the Z-axis direction and is about to be inserted into the cartridge mounting portion 6, the cartridge 4 cannot be inserted into the first and second rails 682 and 602. ing. Thereby, it is possible to reduce the possibility that the cartridge 4 is inserted into the cartridge mounting portion 6 in a state where the direction in the Z-axis direction is wrong.

  As shown in FIG. 6, a device-side identification member 610 is provided in a position in the second device-side side wall portion 64 that is close to the device-side front wall portion 62. The apparatus side identification member 610 is provided corresponding to the number of cartridges to be mounted. In the present embodiment, four device side identification members 610 are provided. The apparatus-side identification member 610 is used for identifying whether or not the cartridge 4 of the correct type (ink color in this embodiment) is installed in each slot of the cartridge storage chamber 61. Each device-side identification member 610 forms a different shape depending on the color of the ink in the cartridge 4 to be mounted. Specifically, each device-side identification member 610 is formed by at least one or more ribs, and the pattern determined by the number and position of the ribs varies depending on the type of the cartridge 4. The cartridge 4 is also provided with an identification member (also referred to as a “cartridge side identification member”) formed by a rib. The identification member of the cartridge 4 also has a different shape depending on the color of the ink to be stored. When the correct type of cartridge 4 is inserted into the slot, the apparatus-side identification member 610 and the cartridge-side identification member are fitted. On the other hand, when the wrong type of cartridge 4 is inserted into the slot, the apparatus side identification member 610 and the cartridge side identification member cannot be fitted. Thereby, the possibility that the wrong type of cartridge 4 is mounted in each slot of the cartridge mounting portion 6 can be reduced.

  Further, as shown in FIG. 6, a regulating member 612 is provided at a position in the second apparatus-side side wall 64 that is close to the apparatus-side front wall 62. The regulating member 612 is provided corresponding to the number of cartridges 4 to be mounted. In this embodiment, five restricting members 612 are provided, but the number actually used is four. The restriction member 612 is inserted correctly into the cartridge housing chamber 61 of the cartridge mounting portion 6 from the + Y-axis side insertion port 69 (FIG. 5) toward the device-side front wall 62 on the −Y-axis direction side. When it reaches the position, it contacts the cartridge 4. Thereby, the possibility that the cartridge 4 is further pushed from the correct mounting position can be reduced.

  As shown in FIG. 5, the opening wall 67 is located on the + Y axis direction side with respect to the cartridge housing chamber 61. The opening wall portion 67 has an insertion port 69 for allowing the cartridge 4 to pass when the cartridge 4 is attached or detached. The opening wall portion 67 faces the apparatus-side front wall portion 62 with the cartridge storage chamber 61 interposed therebetween. The opening wall portion 67 is provided in a direction that intersects the first device side wall portion 63 and the second device side wall portion 64. In the present embodiment, the opening wall portion 67 is orthogonal to the first device side wall portion 63 and the second device side wall portion 64. The opening wall portion 67 is a vertical wall portion when the printer 10 is in use.

  The opening wall portion 67 is provided with a lever 672 that is movable in the Z-axis direction. After the cartridge 4 is mounted on the cartridge mounting portion 6, the lever 672 is moved in the -Z-axis direction. As a result, the lever 672 is caught by the cartridge 4 to prevent the cartridge 4 from being removed accidentally. The state where the lever 672 is caught by the cartridge 4 is a state indicated by the three levers 672 corresponding to the three cartridges 4 positioned on the + X axis direction side in FIG.

  As shown in FIGS. 5 and 8, the third device side wall 65 is located on the + X axis direction side with respect to the cartridge housing chamber 61. The third device-side side wall 65 is provided in a direction that intersects with the device-side front wall 62, the first device-side side wall 63, the second device-side side wall 64, and the opening wall 67. . In the present embodiment, the third device-side side wall 65 is orthogonal to the device-side front wall 62, the first device-side side wall 63, the second device-side side wall 64, and the opening wall 67. The third apparatus-side side wall 65 is a vertical wall when the printer 10 is in use. The third apparatus side wall 65 constitutes the side surface of the cartridge mounting part 6.

  As shown in FIG. 5, the fourth device side wall 66 is located on the −X axis direction side with respect to the cartridge housing chamber 61. The fourth device-side side wall 66 faces the third device-side side wall 65 with the cartridge storage chamber 61 interposed therebetween. The fourth device-side side wall 66 is provided in a direction that intersects with the device-side front wall 62, the first device-side side wall 63, the second device-side side wall 64, and the opening wall 67. . In the present embodiment, the fourth device-side side wall 66 is orthogonal to the device-side front wall 62, the first device-side side wall 63, the second device-side side wall 64, and the opening wall 67. The fourth device-side side wall portion 66 is a vertical wall portion when the printer 10 is in use. The fourth device-side side wall portion 66 constitutes the side surface of the cartridge mounting portion 6.

  The following relationship can be defined from the arrangement of the walls 62, 63, 64, 65, 66, 67. The direction in which the apparatus-side front wall portion 62 and the opening wall portion 67 or the insertion port 69 face each other is the Y-axis direction. The direction from the opening wall 67 or the insertion port 69 toward the apparatus-side front wall 62, that is, the direction in which the cartridge 4 is inserted into (attached to) the cartridge mounting portion 6 is the −Y-axis direction. The direction of pulling out (removing) from the cartridge mounting portion 6 is the + Y-axis direction. The direction in which the first device side wall 63 and the second device side wall 64 face each other is the Z-axis direction. The direction from the first device-side side wall 63 to the second device-side side wall 64 is the −Z-axis direction, and the opposite is the + Z-axis direction. The direction in which the third device-side side wall portion 65 and the fourth device-side side wall portion 66 face each other is the X-axis direction. The direction from the third device side wall 65 to the fourth device side wall 66 is the −X axis direction, and the opposite is the + X axis direction.

A-3. Detailed configuration of each component of the cartridge mounting portion:
Next, the detailed configuration of the members 70, 640, and 662 provided on the apparatus-side front wall 62 will be described with reference to FIGS. FIG. 10 is a first external perspective view of the apparatus-side front wall 62 and peripheral members. FIG. 11 is a second external perspective view of the apparatus-side front wall 62 and peripheral members. FIG. 12 is an exploded perspective view of the apparatus-side front wall 62 and peripheral members. 13 is a cross-sectional view taken along the line 10-10 in FIG.

  As shown in FIGS. 10 and 11, for each slot of the cartridge mounting portion 6, the device side terminal portion 70, the printing material supply mechanism 640, and the rod 662 are provided on the device side front wall portion 62 from the + Z axis direction to the −Z axis. It is provided in this order toward the direction. As shown in FIG. 12, the device-side front wall portion 62 includes a first front wall portion 690 and a second front wall portion 692. The first front wall portion 690 is attached to the second front wall portion 692 with a bolt BT.

A-3-1. Detailed configuration of the printing material supply mechanism 640:
As illustrated in FIG. 12, the printing material supply mechanism 640 includes a cover member 650, a printing material supply pipe 642, a seal member 646, and an attachment member 649.

  The printing material supply pipe 642 is connected to a circulation pipe 659 provided on the second front wall portion 692. Specifically, it is inserted into a cylindrical mounting member 649 and connected to a flow pipe 659 that is similarly inserted into the mounting member 649. The flow pipe 659 communicates with the tube 24.

  As illustrated in FIG. 13, the printing material supply pipe 642 includes a supply channel 647 having a circular channel cross section. A communication hole 648 that communicates the outside with the supply flow path 647 is formed on the + Y-axis direction side of the circumference of the printing material supply pipe 642. The ink in the cartridge 4 flows through the communication hole 648, the supply flow path 647, and the internal flow path of the flow pipe 659 and flows to the tube 24.

  A seal member 646 is disposed between the outer periphery of the flow pipe 659 and the inner periphery of the printing material supply pipe 642. The seal member 646 is an elastic member (for example, rubber) and prevents ink from leaking to the outside. In this embodiment, the attachment member 649 is a part of the first front wall portion 690.

  The printing material supply pipe 642 has a central axis C. As shown in FIGS. 12 and 13, the printing material supply pipe 642 has a base end portion 644 fixed to the apparatus-side front wall portion 62 and a tip end portion 643 connected to the cartridge 4. Here, the axis parallel to the central axis C is the Y axis. Of the directions along the Y axis (Y axis direction), the direction from the base end portion 644 toward the tip end portion 643 is the + Y axis direction, and the opposite direction to the + Y axis direction is the −Y axis direction.

  As shown in FIG. 12, the cover member 650 is a member for reducing the possibility of ink scattering from the printing material supply pipe 642 (specifically, the communication hole 648) when the cartridge 4 is attached or detached. The cover member 650 includes an urging member 652, a contact member 658, a scattering prevention unit 653, and a communication unit 655. The contact member 658 has a substantially circular outer shape. The contact member 658 contacts the cartridge 4. The contact member 658 is configured to be movable in the Y-axis direction. A through hole 656 into which the printing material supply pipe 642 is inserted is formed at the center of the contact member 658. When the ink leaks from the printing material supply pipe 642, the splash prevention unit 653 receives the leaked ink. As a result, the possibility of ink scattering around the printing material supply pipe 642 can be reduced. The scattering prevention part 653 has a concave shape. The biasing member 652 is a coil spring. One end of the biasing member 652 is in contact with the contact member 658, and the other end is in contact with the first front wall portion 690. In the mounted state, the biasing member 652 biases the contact member 658 so as to press the cartridge 4. When the cartridge 4 is mounted on the cartridge mounting portion 6, the cartridge 4 pushes the contact member 658 in the −Y axis direction, so that the scattering prevention portion 653 also moves in the −Y axis direction. The scattering prevention unit 653 is disposed on the −Z axis direction side (directly below) of the printing material supply pipe 642 regardless of the displacement from the state before the cartridge 4 is mounted to the mounted state. Specifically, the scattering prevention unit 653 is disposed on the −Z-axis direction side (directly below) of the communication hole 648 of the contact member 658 regardless of the displacement from the state before the cartridge 4 is mounted to the mounted state. Has been. The ink received by the scattering prevention unit 653 circulates in the communication unit 655 and reaches an absorbing material (not shown) provided in the cartridge mounting unit 6.

A-3-2. Detailed configuration of rod 662:
As shown in FIGS. 12 and 13, the rod 662 has a central axis Cb parallel to the Y-axis direction. A biasing member 665 and a rod cover 670 are provided on the outer periphery of the rod 662. The rod cover 670 has a cylindrical shape, and the rod 662 and the biasing member 665 are inserted therein. The rod cover 670 is a part of the first front wall portion 690. The rod 662 is configured to be movable in the Y-axis direction. The rod 662 includes one end 663 positioned on the + Y axis direction side and the other end 664 positioned on the −Y axis direction side. As shown in FIGS. 10 and 11, the one end 663 protrudes further toward the + Y-axis direction than the rod cover 670. In the mounted state, the one end 663 contacts the lever member 490 (FIG. 4) of the cartridge 4. The other end 664 is positioned on the −Y axis direction side of the apparatus-side front wall 62. The other end 664 has a light shielding part 666. In addition, a sensor 138 is provided on the −Y-axis direction side of the apparatus-side front wall portion 62, and the ink end state is detected by the control unit 31 of the printer 10 by detecting the displacement of the light shielding unit 666 by the sensor 138. The biasing member 665 is a coil spring. The urging member 665 urges the rod 662 to the + Y axis direction side. An ink end detection method using the rod 662 will be described later.

  The rod 662 is provided at an intermediate position between the first device-side side wall portion 63 and the second device-side side wall portion 64 in the device-side front wall portion 62. Specifically, the Z-axis direction is provided at an intermediate position of a line segment connecting the inner surface of the first device-side side wall portion 63 and the inner surface of the second device-side side wall portion 64. That is, as shown in FIG. 13, the central axis Cb of the rod 662 is disposed at an intermediate position in the Z-axis direction between the first device-side side wall portion 63 and the second device-side side wall portion 64. Here, the “intermediate position” does not have to be completely in the middle, and it is sufficient that the “intermediate position” does not have to be biased to one of the first and second apparatus side wall portions 63 and 64. For example, the “intermediate position” refers to a position within 10% of the center position with respect to the distance between the inner wall surfaces in the Z-axis direction of the first device-side side wall 63 and the second device-side side wall 64. including.

A-3-3. Detailed configuration of the device-side terminal unit 70:
As shown in FIGS. 10 and 11, the device-side terminal unit 70 is provided in the terminal mounting unit 694. Specifically, as shown in FIG. 12, the pair of terminal side fitting portions 762 of the device side terminal portion 70 are attached to the terminal mounting portion 694 by being fitted to the terminal mounting portion 694. The device-side terminal portion 70 is attached to the device-side front wall portion 62 (specifically, the terminal mounting portion 694) so as to be movable in the X-axis direction and the Z-axis direction. Specifically, the device-side terminal portion 70 is attached to the device-side front wall portion 62 so as to be slightly movable in the X-axis direction and the Z-axis direction.

  Furthermore, the apparatus side terminal part 70 is demonstrated using FIGS. 14-18. FIG. 14 is a first exploded perspective view of the device-side terminal unit 70. FIG. 15 is a second exploded perspective view of the device-side terminal unit 70. FIG. 16 is a first external perspective view of the device-side terminal unit 70. FIG. 17 is a second external perspective view of the device-side terminal unit 70. 18 is a cross-sectional view taken along line 17-17 in FIG. In FIG. 18, for easy understanding, a part of the first front wall portion 690 is shown by a solid line, and the positioning portion 756 is shown by a dotted line.

  As shown in FIGS. 14 and 15, the device-side terminal unit 70 includes a device-side terminal group 721, a terminal block 724, and a holder 750. Further, the device-side terminal unit 70 includes a connector substrate 730. The connector board 730 includes a terminal group 732 (FIG. 15) provided on the front surface and a connector 739 provided on the back surface. The terminal group 732 includes a plurality of terminals (9 in this embodiment) and is electrically connected to the connector 739.

  The device-side terminal group 721 includes a plurality of terminals (9 in this embodiment). Each terminal of the device-side terminal group 721 is configured to be elastically deformable. Each terminal of the device side terminal group 721 is configured by a U-shaped leaf spring. One end of each terminal is exposed from the surface 724fa of the terminal block 724. The tip portion exposed from the surface 724fa of the terminal block 724 becomes a terminal contact 722 that comes into contact with the corresponding cartridge side terminal of the circuit board 50 of the cartridge 4 in the mounted state. That is, the terminal contact 722 is provided on the surface 724fa of the terminal block 724. The other end of each terminal is exposed from the back surface 724fb of the terminal block 724. The tip portion exposed from the back surface 724 fb of the terminal block 724 becomes a terminal contact 723 that comes into contact with a corresponding terminal of the terminal group 732. That is, the terminal contact 723 is provided on the back surface 724 fb of the terminal block 724.

  The terminal block 724 holds the device-side terminal group 721. In addition, the terminal block 724 holds the device-side terminal group 721 such that one tip portion constituting the terminal contact 722 is exposed from the surface 724fa. The terminal block 724 holds the device-side terminal group 721 so that the other tip of the terminal contact 723 is exposed from the back surface 724fb. As shown in FIG. 18, the terminal block 724 holds the device-side terminal group 721 so that each terminal of the device-side terminal group 721 moves about an axis 721r parallel to the X-axis direction by elastic deformation. In other words, the terminal block 724 holds the device-side terminal group 721 such that each terminal of the device-side terminal group 721 is elastically deformed along a predetermined plane so that the terminal contact 722 moves.

  As shown in FIGS. 14 to 18, the holder 750 holds the terminal block 724 and the connector substrate 730. Specifically, the holder 750 has an accommodation space 751, and the terminal block 724 and the connector substrate 730 are accommodated in the accommodation space 751 and held by the holder 750. As shown in FIG. 18, the holder 750 is in a state in which the surface 724fa of the terminal block 724 is inclined in a direction including the + Y-axis direction component and the −Z-axis direction component and is parallel to the X-axis. The terminal block 724 is held (referred to as “first state”). In other words, the holder 750 holds the terminal block 724 such that the surface 724fa of the terminal block 724 is inclined with respect to the Y axis and the Z axis. By holding the terminal block 724 in the holder 750 in this state, the contact 722 of the device-side terminal group 721 has a surface 724fa on the surface inclined toward the direction including the + Y-axis direction component and the −Z-axis direction component. Will be provided. The holder 750 holds the terminal block 724 in a state where the shaft 721r is positioned on the + Y axis direction side and the + Z axis direction side of the terminal contact 722 (referred to as a “second state”). When the holder 750 holds the terminal block 724 while satisfying the first state and the second state, the terminal contact 722 is elastically deformable in the direction of the arrow YR1 as shown in FIG. From another viewpoint, the elastic deformation of the device-side terminal group 721 will be described below. The holder 750 holds the terminal block 724 in a state where a predetermined plane on which each terminal of the device-side terminal group 721 is elastically deformed is a plane parallel to the Y axis and the Z axis (also referred to as “YZ plane”). Since the holder 750 holds the terminal block 724 as described above, each contact 722 is movable on the YZ plane.

  As shown in FIGS. 14 and 15, the holder 750 includes a pair of wall portions 752 located on both sides in the X-axis direction with respect to the accommodation space 751 and a pair of positioning portions 756 provided on the wall portion 752. Here, one of the pair of wall portions 752 located on the + X axis direction side with respect to the accommodation space 751 is also referred to as a first wall portion 752t, and the other located on the −X axis direction side is also referred to as a second wall portion 752w. . One of the pair of positioning portions 756 provided on the first wall 752t is also referred to as a first positioning portion 756t, and the other provided on the second wall 752w is also referred to as a second positioning portion 756w. In addition, when using without distinguishing the 1st wall part 752t and the 2nd wall part 752w, it demonstrates using the wall part 752. FIG. Further, when the first positioning portion 756t and the second positioning portion 756w are used without being distinguished, the positioning portion 756 will be described.

  The first wall portion 752t and the second wall portion 752w are walls that partition the storage space 751. The first positioning portion 756t and the second positioning portion 756w are located on the side on the + X axis direction side and the side on the −X axis direction side of the surface 724fa of the terminal block 724, respectively. The first and second positioning portions 756t and 756w are in contact with each terminal of the device-side terminal group 721 and each terminal of the corresponding cartridge-side terminal group when the cartridge 4 is mounted on the cartridge mounting portion 6. The cartridge 4 and the apparatus side terminal part 70 are guided to the position. Specifically, the first positioning unit 756t and the second positioning unit 756w start contact between the device-side terminal group 721 and the cartridge-side terminal group when the cartridge 4 is mounted on the cartridge mounting unit 6. Before, it is configured to start insertion into the groove formed in the cartridge 4. Thereby, the cartridge 4 and the apparatus side terminal part 70 can move to a contact position with high precision. The first positioning portion 756t extends along the Y-axis direction (insertion direction of the cartridge 4). The first positioning portion 756t protrudes from the first wall portion 752t in the + X axis direction. The second positioning portion 756w extends along the Y-axis direction (insertion direction of the cartridge 4). Further, the second positioning portion 756t protrudes from the second wall portion 752w in the −X axis direction. In the present embodiment, in order to realize the first configuration, as shown in FIG. 18, the end 757 on the + Y-axis direction side of the positioning portion 756 is positioned on the + Y-axis direction side of the terminal contact 722. A positioning part 756 is provided. Note that the end portion 757 has a tapered shape in which the dimension in the Z-axis direction increases from the + Y-axis direction toward the −Y-axis direction. As a result, the positioning portion 756 can be easily inserted into a restriction portion described later of the cartridge 4. The positioning portions 756t and 756w each have four contact surfaces that come into contact with the grooves formed in the cartridge 4 when the cartridge 4 is mounted in the cartridge mounting portion 6. Of these four contact surfaces, FIGS. 16 and 17 show only the contact surfaces 756wa, 756wb, 756wc, and 756wd of the positioning portion 756w and the contact surfaces 756tb and 756td of the positioning portion 756t. Of the four contact surfaces, two surfaces facing each other in the Z-axis direction and those located on the + Z-axis direction side are located on the A-surface 756ta (FIGS. 33 to 36), 756wa, and the −Z-axis direction side. Are referred to as B surface 756tb, 756wb. Further, the surfaces intersecting in the X-axis direction are called C surfaces 756tc (FIGS. 33 to 36) and 756wc. Further, the front end surface in the + Y-axis direction is referred to as D surfaces 756td and 756wd.

  As shown in FIG. 16, the holder 750 protrudes in a direction (a direction including a + Y-axis direction component and a −Z-axis direction component) in which the terminal contact 722 of the device-side terminal group 721 is exposed from the pair of wall portions 752. Projection 759. One of the protrusions 759 provided on the first wall 752t is also referred to as a first protrusion 759t, and the other provided on the second wall 752w is also referred to as a second protrusion 759w. The first protrusion 759t is provided so as to protrude from the side on the + X-axis direction side of the device-side terminal group 721 with respect to the surface 724fa of the terminal block 724 in a direction including the + Y-axis direction component and the −Z-axis direction component. Yes. The second protrusion 759w is provided so as to protrude from the side of the device side terminal group 721 on the −X axis direction side to the surface 724fa of the terminal block 724 in a direction including the + Y axis direction component and the −Z axis direction component. ing. The first protrusion 759t and the second protrusion 759w are received in a part of the cartridge 4 (see a bottom wall side recess 910 described later, see FIG. 27) in the mounted state. Note that the protrusion 759 is used when the first protrusion 759t and the second protrusion 759w are used without distinction.

  As shown in FIGS. 10 to 12, the holder 750 is attached to the apparatus-side front wall 62 while holding the terminal block 724. Specifically, the holder 750 is attached to the terminal mounting portion 694 of the first front wall portion 690. The terminal mounting portion 694 has a pair of support walls 696 that face each other in the X-axis direction, and a pair of fitting holes 698 provided in the walls. On the other hand, the device side terminal portion is provided with a pair of terminal side fitting portions 762 facing each other in the X-axis direction. By fitting the terminal side fitting portion 762 into the pair of fitting holes 698 of the holder 750, the device side terminal portion 70 is attached to the device side front wall portion 62. Here, a clearance is provided in the X-axis direction between the pair of terminal-side fitting portions 762 and the pair of support walls 696. Therefore, the device-side terminal portion 70 is in a state that can be slightly moved in the X-axis direction with respect to the device-side front wall portion 62. Further, a clearance is provided in the Y-axis direction between the pair of terminal side fitting portions 762 and the pair of fitting holes 698. Therefore, the device-side terminal portion 70 is in a state that can be moved minutely in the Z-axis direction with respect to the device-side front wall portion 62.

  The pair of support walls 696 of the terminal mounting portion 694 is provided with a pair of engaging portions 694a and 694b that face each other in the Y-axis direction. The pair of terminal side fitting portions 762 of the holder 750 are also provided with a pair of engaging portions 762a and 762b that face each other in the Y-axis direction. When the terminal-side fitting portion 762 is fitted into the pair of fitting holes 698 of the terminal mounting portion 649, the engaging portion 694a and the engaging portion 762a are engaged in the −Y axis direction, and the engaging portion 694b is engaged. The mating portion 762b engages in the + Y-axis direction. There is almost no clearance between the engaging portion 694a and the engaging portion 762a. Further, there is substantially no clearance between the engaging portion 694b and the engaging portion 762b. Therefore, the device-side terminal portion 70 cannot substantially move in the Y-axis direction with respect to the device-side front wall portion 62.

A-4. Appearance configuration of cartridge 4:
Next, a schematic configuration of the cartridge 4 will be described with reference to FIGS. An XYZ axis attached to the drawing illustrating the cartridge 4 corresponds to an XYZ axis with respect to the cartridge 4 in the mounted state. FIG. 19 is a first external perspective view of the cartridge 4. FIG. 20 is a second external perspective view of the cartridge 4. FIG. 21 is a front view of the cartridge 4. FIG. 22 is a rear view of the cartridge 4. FIG. 23 is a top view of the cartridge 4. FIG. 24 is a bottom view of the cartridge 4. FIG. 25 is a first side view of the cartridge 4. FIG. 26 is a second side view of the cartridge 4.

  As shown in FIGS. 19 and 20, the cartridge 4 has a substantially rectangular parallelepiped shape. In this embodiment, the size of the cartridge 4 decreases in the order of the Y-axis direction, the Z-axis direction, and the X-axis direction. The cartridge 4 includes a case 9 that stores ink therein. The case 9 is a housing formed by molding a synthetic resin. The cartridge 4 includes a front surface 42, a rear surface 47, a first side surface 43, a second side surface 44, a third side surface 45, and a fourth side surface 46. The first side surface 43 is also called an upper surface 43, the second side surface 44 is also called a bottom surface 44, the third side surface 45 is also called a right side surface 45, and the fourth side surface 46 is also called a left side surface 46. The front surface 42 and the rear surface 47 face each other in the Y-axis direction, and the front surface 42 is positioned on the −Y-axis direction side and the rear surface 47 is positioned on the + Y-axis direction side. The first side surface 43 and the second side surface 44 intersect the front surface 42 and the rear surface 47 and face each other in the Z-axis direction. The first side surface 43 is located on the + Z axis direction side, and the second side surface 44 is located on the −Z axis direction side. The third side surface 45 and the fourth side surface 46 intersect the front surface 42, the rear surface 47, the first side surface 43, and the second side surface 44, and face each other in the X-axis direction. The third side surface 45 is located on the + X axis direction side, and the fourth side surface 46 is located on the −X axis direction side.

  The shape of the front surface 42 is a substantially rectangular shape whose dimension in the Z-axis direction is larger than that in the X-axis direction. The front surface 42 faces the apparatus-side front wall 62 (FIG. 6) in the mounted state. In the front surface 42, a rod insertion hole 420 and a supply pipe insertion hole 424 are formed. The rod insertion hole 420 is provided at an intermediate position between the first side surface 43 and the second side surface 44 in the front surface 42. In other words, it is provided at an intermediate position connecting the first side surface 43 and the second side surface 44 in the Z-axis direction. That is, the central axis Ce of the rod insertion hole 420 is disposed at an intermediate position in the Z-axis direction between the first side surface 43 and the second side surface 44. Here, the “intermediate position” does not have to be completely in the middle, and it is sufficient that it is not disposed so as to be biased to one of the first and second side surfaces 43 and 44. For example, the “intermediate position” includes a position within 10% of the center position with respect to the distance between the first side surface 43 and the second side surface 44 in the Z-axis direction.

  In the mounted state, the printing material supply pipe 642 (FIG. 12) is inserted into the supply pipe insertion hole 424. In addition, a printing material outlet tube 484 (FIG. 4) for distributing the ink in the cartridge 4 to the outside is disposed in the supply tube insertion hole 424. By connecting the printing material supply pipe 642 to the printing material outlet pipe 484, ink in the cartridge 4 can flow through the printing material supply pipe 642.

  In the mounted state, the rod 662 (FIG. 12) whose outer periphery is partially covered with the rod cover 720 is inserted into the rod insertion hole 420. By inserting the rod 662 into the rod insertion hole 420, the entire cartridge 4 is positioned with respect to the cartridge mounting portion 6 and the displacement from the correct mounting position is suppressed. Further, the rod 662 contacts the lever member 490 (FIG. 4) in the mounted state.

  As shown in FIGS. 19, 23, 25, and 26, the first side surface 43 has a first convex portion 432. The first convex portion 432 protrudes from the first side surface 43 to the + Z axis direction side. The first convex portion 432 extends along the Y-axis direction. Specifically, as shown in FIGS. 25 and 26, the first protrusion 432 extends from a position close to the front face 42 to a position close to the rear face 47 in the first side face 43. More specifically, the first convex portion 432 is divided into a first portion 432a on the −Y axis direction side and a second portion 432b on the + Y axis direction side, and a concave first locking portion 436 is formed therebetween. The As shown in FIGS. 24 to 26, the second side surface 44 has a second convex portion 442. The second protrusion 442 protrudes from the second side surface 44 to the −Z axis direction side. The second convex portion 442 extends along the Y-axis direction. Specifically, as shown in FIGS. 25 and 26, the second convex portion 442 extends from a position close to the front face 42 to a position close to the rear face 47 in the first side face 43. More specifically, the second convex portion 442 is divided into a first portion 442a on the −Y axis direction side and a second portion 442b on the + Y axis direction side, and a concave second locking portion 446 is formed therebetween. The When the cartridge 4 is mounted on the cartridge mounting portion 6, the first convex portion 432 is inserted into the first rail 682 (FIG. 7), and the second convex portion 442 is inserted into the second rail 602 (FIG. 6). Inserted. Thereby, the cartridge 4 can be smoothly pushed toward the corresponding slot of the cartridge mounting portion 6.

  As shown in FIG. 21, the dimension (width) Xa in the X-axis direction of the first convex part 432 and the dimension (width) Xb in the X-axis direction of the second convex part 442 are different. In this embodiment, the relationship of dimension Xa <dimension Xb is satisfied. The second convex portion 442 has a larger dimension in the X-axis direction than the first rail 682 (FIG. 7), and the second convex portion 442 cannot be inserted into the first rail 682. Thereby, the possibility that the cartridge 4 is mounted on the cartridge mounting portion 6 in a state where the directions of the first side surface 43 and the second side surface 44 are reversed by mistake can be reduced. In the mounted state, the leaf spring 684 (FIG. 7) enters the first locking portion 436, and the leaf spring 604 (FIG. 6) enters the second locking portion 446. This prevents the cartridge 4 from being inadvertently detached from the cartridge mounting portion 6.

  As shown in FIG. 19, a label S <b> 1 is affixed to the third side surface 45. On this label S1, information (handling precautions, etc.) regarding the handling of the cartridge 4 is described.

  As shown in FIG. 21, a corner portion 88 where the front surface 42 and the second side surface 44 intersect with each other is provided with a recess 49 and a pair of regulating surfaces 421. A cartridge side identification member 491 is provided in the recess 49. The cartridge-side identification member 491 is formed by one or more ribs and has a different shape depending on the color of ink to be stored. Further, the cartridge-side identification member 491 is fitted into the device-side identification member 610 (FIG. 6) by being mounted in the correct slot of the cartridge mounting portion 6. The pair of regulating surfaces 421 are disposed on both sides of the recess 49 in the X-axis direction. The pair of regulating surfaces 421 abuts against the regulating member 612 (FIG. 6) when the cartridge 4 reaches the correct mounting position.

  As shown in FIGS. 19 and 21, the cartridge 4 further includes a recess 90 provided at a corner portion 89 where the front surface 42 and the first side surface 43 intersect. In other words, the recess 90 is provided across the front surface 42 and the first side surface 43. The circuit board 50 is disposed in the recess 90. On the surface 50fa (FIG. 21) of the circuit board 50, a cartridge side terminal group 521 is formed. The cartridge-side terminal group 521 includes a plurality of terminals (9 in this embodiment). In the mounted state, each terminal of the cartridge side terminal group 521 is electrically connected by being in contact with a corresponding terminal of the apparatus side terminal group 721 (FIG. 15).

  Furthermore, the detailed structure of the recessed part 90 is demonstrated using FIGS. FIG. 27 is an external perspective view of the vicinity of the recess 90. FIG. 28 is a front view of the vicinity of the recess 90. 29 is a cross-sectional view taken along the line 28a-28a in FIG. 30 is a cross-sectional view taken along line 28b-28b of FIG. FIG. 31 is a diagram for explaining a connection state between the device-side terminal unit 70 and the circuit board 50. FIG. 32 is a cross-sectional view taken along the line 28a-28a in the mounted state.

  As shown in FIG. 27, the recess 90 has an opening 982 provided along a plane orthogonal to the Y axis and an opening 984 provided along a plane orthogonal to the Z axis. The inner wall of the recess 90 is generally constituted by a pair of side walls 902 (902t, 902w), a bottom wall 988, and a rear wall 986. By these inner walls 902, 986, and 988, a terminal accommodating chamber 900 into which the device-side terminal portion 70 is inserted is partitioned and formed inside the recess. The concave portion 90 is a substantially hexahedron having an opening 982, an opening 984, a pair of side walls 902t and 902w, a bottom wall 988, and a rear wall 986 as main surfaces. The opening 982 and the rear wall 986 are opposed to each other in the Y-axis direction, the opening 982 is located in the −Y-axis direction, and the rear wall 986 is located in the + Y-axis direction. Further, the pair of side walls 902t and 902w face each other in the X-axis direction, the first side wall 902t is located on the + X-axis direction side, and the second side wall 902w is located on the −X-axis direction side. The opening 984 and the bottom wall 988 face each other in a non-parallel state in the Z-axis direction, and the opening 984 is located on the + Z-axis direction side and the bottom wall 988 is located on the −Z-axis direction side. The opening 982 serves as an entrance when the apparatus-side terminal unit 70 is inserted into the recess 90 when the cartridge 4 is mounted in the cartridge mounting unit 6. The bottom wall 988 intersects the first side wall 902t and the second side wall 902w. The bottom wall 988 intersects the opening 982 on the −Z direction side. Then, it extends in the + Y-axis direction while tilting in the + Z direction from the position of the side on the −Z direction side of the opening 982 and intersects with the rear wall 986. The rear wall 986 intersects the bottom wall 988, the first side wall 902t, and the second side wall 902w. The opening 984 intersects the rear wall 986, the first side wall 902 t, the second side wall 902 w, and the opening 982. Note that the side wall 902 is used when the first side wall 902t and the second side wall 902w are used without distinction.

  The circuit board 50 is attached to the bottom wall 988. Specifically, as shown in FIG. 29, the surface 50fa of the circuit board 50 is disposed so as to be inclined in a direction including the −Y axis direction component and the + Z axis direction component. That is, the surface 50fa of the circuit board 50 is inclined with respect to the Y axis and the Z axis. Here, the surface 50fa corresponds to the “inclined surface” described in the means for solving the problem. As described above, the surface 50fa includes the cartridge-side terminal group 521. That is, the cartridge-side terminal group 521 is provided on a surface that is inclined with respect to the −Y-axis direction, which is the direction in which the cartridge 4 is inserted into the cartridge mounting portion 6. The back surface 50 fb of the circuit board 50 includes a storage device 525. The storage device 525 stores information related to the cartridge 4 (for example, ink color, date of manufacture, etc.). The cartridge side terminal group 521 and the storage device 525 are electrically connected.

As shown in FIGS. 27 to 30, a pair of grooves 906 t and 906 w are provided in the pair of side walls 902 t and 902 w facing each other in the X-axis direction of the recess 90. These grooves 906t and 906w are provided so as to face each other in the X-axis direction. As shown in FIG. 28, the grooves 906t and 906w are provided symmetrically with respect to the YZ plane 28c. The YZ plane 28c is a surface constituting the center of the dimension (width) of the cartridge in the X-axis direction. The circuit board 50 disposed in the recess 90 and the elements constituting the recess 90 are provided symmetrically with respect to the YZ plane 28c. That is, the YZ plane 28c passes through the center of the dimension (width) in the X-axis direction of the cartridge-side terminal group 521. In the cartridge-side terminal group 521, the electrode 521c provided at the center in the width direction of the cartridge terminal group 521 intersects the YZ plane 28c. The YZ plane 28c passes through the center of the dimension (width) of the circuit board 50 in the X-axis direction. The YZ plane 28 c passes through attachment portions 50 a and 50 b provided on the bottom wall 988 in order to attach the circuit board 50 to the bottom wall 98. Further, the YZ plane 28c passes through the terminal 521c provided in the central portion in the X-axis direction of the cartridge side terminal group 521. The terminal 521c is a terminal that contacts the terminal 721c (see FIG. 16) provided in the central portion in the X-axis direction in the device-side terminal group 721. The grooves 906t and 906w of the recess 90 and the pair of wall side walls 902t and 902w are provided symmetrically with respect to the YZ plane 28c. Further, the YZ plane 28c is the center of the dimension (width) in the X-axis direction of the first protrusion 432 (432a, 432b) and the second protrusion 442 (442a, 442b, see FIGS. 21 and 25) described above. Pass through. Although not shown in FIG. 28, the YZ plane 28c includes a first locking portion 436 (FIG. 25) provided on the first side surface 43 and a second locking portion 446 (FIG. 25) provided on the second side surface 44. It passes through the center of the dimension (width) in the X- axis direction of FIG. Further, leaf springs 684 and 605 (FIGS. 6 and 7) for locking the first locking portion 436 and the second locking portion 446 intersect with the YZ plane 28c.

  As shown in FIGS. 27 and 30, the first side wall 902t is provided with a first groove 906t as a first restricting portion. The first groove 906t is formed in such a shape that a part of the first side wall 902t is dug down in the + X-axis direction. That is, the first groove 906t is recessed in the + X-axis direction from the first side wall 902t. The first groove 906t extends along the Y-axis direction. Specifically, the first groove 906t extends along the + Y axis direction from the position of the opening 982 toward the rear wall 986 side. The first positioning portion 756t (FIG. 16) is inserted into the first groove 906t in the mounted state. The first groove 906t has an end surface on the −Y axis direction side and a surface on the −X axis direction side open. As shown in FIG.27 and FIG.29, the 2nd groove | channel 906w as a 2nd control part is provided in the 2nd side wall 902w. The second groove 906w is formed in such a shape that a part of the second side wall 902w is dug down in the −X axis direction. That is, the second groove 906w is recessed in the −X axis direction from the second side wall 902w. The second groove 906w extends along the Y-axis direction. Specifically, the second groove 906w extends along the + Y axis direction from the position of the opening 982 toward the rear wall 906 side. The second groove 906w has an end surface on the −Y axis direction side and a surface on the + X axis direction side open.

  As shown in FIGS. 29 and 30, the grooves 906t and 906w have openings 941 and 961 on end surfaces on the −Y axis direction side, respectively. The grooves 906t and 906w have inlet portions 916t and 916w extending from the openings 941 and 961 to the + Y axial direction side, and contact portions 926t and 926w extending from the + Y axial end portion of the inlet portion 916t to the + Y axial direction side. Prepare. The openings 941 and 961 on the end surfaces on the −Y-axis direction side serve as inlets into which the positioning portions 756t and 756w are inserted when the cartridge 4 is mounted on the cartridge mounting portion 6, respectively. Since the openings 941 and 961 are formed on the −Y axis direction side from the cartridge side terminal group 521, before the contact between the apparatus side terminal group 721 and the cartridge side terminal group 521 is started, the positioning portions 756t, Insertion into the 756 w grooves 906 t and 906 w is started.

The inlet portions 916t and 916w are portions where the positioning portions 756t and 756w are inserted first in the grooves 906t and 906w. As shown in FIGS. 28 to 30, the inlet portions 916t and 916w have monotonically decreasing dimensions in the Z-axis direction as they go in the + Y-axis direction. As shown in FIG. 28, the inlet portions 916t and 916w have a dimension in the X-axis direction that decreases from the −Y-axis direction to the + Y-axis direction. That is, the inlet portions 916t, w are provided with a taper whose size gradually decreases in the Z-axis direction and the X-axis direction. In other words, the inlet portions 916t and 916w are tapered so that the areas of the openings 941 and 961 are the largest.
Further, as shown in FIGS. 28 to 30, the inlet portions 902wa and 902ta of the side walls 902w and 902t of the recess 90 are also tapered so as to correspond to the inlet portions 916t and 916w. That is, the distance between the side walls 902w and 902t at the entrance portions 902wa and 902ta (interval in the X-axis direction) decreases from the −Y-axis direction toward the + Y-axis direction.

The contact portions 926t and 926w are in contact with the positioning portions 756t and 756w, respectively, in the mounted state. As shown in FIGS. 29 and 30, the contact portions 926t and 926w have contact surfaces 940 and 960 that contact the positioning portions 756t and 756w, respectively, in the mounted state. As shown in FIG. 30, the contact surface 940 with the first positioning portion 756t, that is, the contact surface 940 of the groove 906t includes four surfaces 942, 946, 948, and 944. Similarly, as shown in FIG. 29, the contact surface 960 with the second positioning portion 756w, that is, the contact surface of the groove 906w also includes four surfaces 962, 966, 968, and 964. These four contact surfaces are also referred to as A surfaces 942 and 962, B surfaces 946 and 966, C surfaces 944 and 964, and D surfaces 948 and 968, respectively.
As shown in FIG. 30, the A surface 942 and the B surface 946 of the groove 906t face each other in the Z-axis direction, and the A surface 942 is positioned on the + Z-axis direction side and the B-surface 946 is positioned on the −Z-axis direction side. . The D surface 948 of the groove 906t faces the opening 941 in the Y axis direction, and the opening 941 is positioned on the −Y axis direction side and the D surface 948 is positioned on the + Y axis direction side. The D surface 948 intersects the A surface 942 and the B surface 946. As shown in FIG. 28, the C surface 944 of the groove 906t faces the extended surface 902te of the first side wall 902t, and is positioned on the + X-axis direction side with respect to the extended surface 902te of the first side wall 902t. The C surface 944 intersects the A surface 942, the B surface 946, and the D surface 948. The A surface 942 of the groove 906t is in contact with the + Z-axis direction side end portion of the first positioning portion 756t (FIG. 16). The B surface 946 is in contact with the −Z-axis direction side end portion of the first positioning portion 756t. The first D surface 948 is in contact with the + Y-axis direction side end portion of the first positioning portion 756t. The first C surface 944 is in contact with the + X-axis direction side end portion of the first positioning portion 756t.

  As shown in FIG. 29, the A surface 962 and the B surface 966 of the groove 906w face each other in the Z-axis direction, and the A surface 962 is positioned on the + Z axis direction side and the B surface 966 is positioned on the −Z axis direction side. . The D surface 968 of the groove 906w faces the opening 961 in the Y axis direction, and the opening 961 is positioned on the −Y axis direction side and the D surface 968 is positioned on the + Y axis direction side. The D surface 968 intersects the A surface 962 and the B surface 966. As shown in FIG. 28, the C surface 964 of the groove 906w faces the extension surface 902we of the second side wall 902w, and is positioned on the −X axis direction side with respect to the extension surface 902we of the first side wall 902w. To do. The C surface 964 intersects with the A surface 962, the B surface 966, and the D surface 968. The A surface 962 of the groove 906w is in contact with the + Z-axis direction side end portion of the second positioning portion 756w (FIG. 16). The B surface 966 is in contact with the −Z-axis direction side end portion of the second positioning portion 756w. The D surface 968 is in contact with the + Y-axis direction side end portion of the second positioning portion 756w. The C surface 964 contacts the −X-axis direction side end portion of the second positioning portion 756w.

  Here, when the first groove 906t and the second groove 906w are used without distinction, they are also simply referred to as “grooves 906”. Further, when the first contact portion 926t and the second contact portion 926w are used without being distinguished from each other, they are also simply referred to as “contact portions 926”. Further, when the first inlet portion 916t and the second inlet portion 916w are used without being distinguished from each other, they are also simply referred to as “an inlet portion 916”.

  As shown in FIG. 27, between the inclined surface 50fa and the first side wall 902t and between the inclined surface 50fa and the second side wall 902w of the bottom wall 988, a pair of bottom wall side recesses 910t is provided. , 910w are formed. As shown in FIG. 31, the pair of bottom wall side recesses 910t and 901w are configured to receive the pair of protrusions 759t and 759w (FIG. 16) of the device side terminal unit 70 in the mounted state, respectively. The pair of bottom wall side recesses 910t and 910w are collectively referred to as a first bottom wall side recess 910.

A-5. Contact mode between the cartridge side terminal group 521 and the apparatus side terminal group 721:
Next, with reference to FIGS. 33 to 36, a contact mode between the cartridge side terminal group 521 and the apparatus side terminal group 721 when the cartridge 4 is mounted on the cartridge mounting portion 6 will be described. FIG. 33 is a first diagram for explaining a contact mode. FIG. 34 is a second diagram for explaining the contact mode. FIG. 35 is a third diagram for explaining a contact mode. FIG. 36 is a fourth diagram for explaining a contact mode. The state when the cartridge 4 is mounted is shown in time series in the order of the drawing numbers in FIGS. 33 to 36 will be described focusing on one cartridge side terminal 521a of the cartridge side terminal group 521 and one apparatus side terminal 721a of the apparatus side terminal group 721. It should be noted that the other terminals are similarly mounted. Since the first and second positioning portions 756ta, wa have the same shape and the first and second grooves 906t, w have the same shape, in FIGS. 33 to 36, for ease of understanding, Reference numerals 756 ta and wa are written together, and reference numerals 906 t and w are written together.

  As shown in FIG. 33, when the cartridge 4 (FIG. 19) is mounted on the cartridge mounting portion 6 (FIG. 5), the cartridge 4 is pushed into the slot of the cartridge mounting portion 6 in the −Y axis direction. At this time, as shown in FIG. 34, the insertion of the positioning portion 756 into the groove 906 is started before the cartridge side terminal 521a contacts the terminal contact 722a of the apparatus side terminal 721a. At this time, even if a slight manufacturing error has occurred in the cartridge mounting portion 6, the device-side terminal portion 70 moves in the X-axis direction and the Z-axis direction, so that the error is absorbed in the concave portion 90 of the cartridge 4. While being guided. The cartridge 4 is pushed in the −Y-axis direction while the positioning portion 756 is in contact with the surface of the inlet portion 916 of the groove 906, so that the device-side terminal portion 70 is at a position where the cartridge-side terminal 521a and the device-side terminal 721a are in contact with each other. Guided. FIG. 34 shows a state in which the device-side terminal portion 70 is guided into the recess 90 (FIG. 27) while slightly moving in the direction indicated by the arrow V1 (−Z axis direction).

  As shown in FIG. 35, when the cartridge 4 is further pushed in the −Y-axis direction and the positioning portions 756t, w are inserted into the contact portions 926t, w of the groove 906, the C surfaces 756tc, wc of the positioning portions 756t, w However, contact with the C surfaces 944 and 964 of the grooves 906t and w, respectively, restricts movement of the device-side terminal portion 70 (FIG. 10) in the X-axis direction. At this time, the A surfaces 756 ta and wa of the positioning portions 756 t and w are in contact with the A surfaces 942 and 962 of the grooves 906 t and w, respectively, and the B surfaces 756 tb and wb are in contact with the B surfaces 946 and 966, respectively. Thus, the movement of the device side terminal portion 70 in the Z-axis direction is restricted. Thereby, the position of the cartridge side terminal 521a and the terminal contact 722a in the X-axis direction and the Z-axis direction is determined. Then, after the insertion of the positioning portion 756 into the contact portion 926 starts, the terminal contact 722a contacts the cartridge-side terminal 521a for the first time immediately before the complete insertion is completed. At this time, the tip surfaces 756td and 756wd of the positioning portions 756t and w are not in contact with the D surfaces 948 and 968 of the grooves 906t and w, and the cartridge 4 can be further pushed forward. When the cartridge 4 is further pushed in the −Y-axis direction from the state shown in FIG. 35, the device-side terminal 721a is elastically deformed, and the contact 722a of the device-side terminal 721a moves in the direction of the arrow YR1a while contacting the cartridge-side terminal 521a. To do. At this time, the device side terminal group and the cartridge side terminal group slightly rub against each other. Finally, as shown in FIG. 36, the tip surfaces 756td, tw of the positioning portions 756t, w come into contact with the D surfaces 948, 968 of the grooves 906t, w, and the cartridge side terminal 521a and the terminal contact 722a A position in the Y-axis direction is determined. In this state, the mounting of the cartridge 4 to the cartridge mounting portion 6 is completed. In addition, when the mounting is completed and in the mounting state, as in the final stage of mounting shown in FIG. 35, the A surfaces 756ta, wa of the positioning portions 756t, w and the A surfaces 942, 944 of the grooves 906t, w are in the + Z-axis direction. In contact. Further, the B surfaces 756tb, wb and the B surfaces 946, 966 of the grooves 906t, w are in contact with each other in the −Z axis direction. Further, the C surface 756tc of the first positioning portion contacts the C surface 944 of the first groove 906t in the + X-axis direction, and the C surface 756wc of the second positioning portion corresponds to the second groove 906w in the −X-axis direction. It is in contact with the C surface 964. Therefore, the movement of the positioning portions 756t, w in the Z-axis direction and the X-axis direction is restricted by the grooves 906t, w. Thereby, both 721a and 521a can be hold | maintained in the position which can aim at favorable contact with the apparatus side terminal 721a and the cartridge side terminal 521a.

A-6. Other configurations of the cartridge 4:
FIG. 37 is an exploded perspective view of the cartridge 4. As shown in FIG. 37, the case 9 accommodates the printing material accommodating portion 450 and the cartridge side flow path member 480. The printing material storage unit 450 stores ink therein. Further, the printing material container 450 is a flexible bag. In this embodiment, the printing material container 450 is formed of an aluminum laminated multilayer film in which an aluminum layer is formed on a resin film layer. The cartridge-side flow path member 480 forms a flow path (also referred to as “printing material outlet flow path”) that allows the printing material storage portion 450 to communicate with the outside. That is, one end of the cartridge-side flow path member 480 is connected to the printing material container 450, and the printing material outlet tube 484 provided at the other end is connected to the printing material supply tube 642 (FIG. 4). A detection chamber 482 is provided in the middle of the printing material outlet channel. In the detection chamber 482, a coil spring 496 as a biasing member, a check valve 495, and a pressure receiving plate 493 are accommodated. An opening which is one side surface of the detection chamber 482 is covered with a flexible film 492. The pressure receiving plate 493 is disposed between the coil spring 496 and the film 492. The coil spring 496 biases the pressure receiving plate 493 so as to increase the volume of the detection chamber 482. Case 9 further accommodates lever member 490. The lever member 490 contacts the film 492 from the outside of the detection chamber 482. The volume of the detection chamber 482 changes according to the change in the internal pressure. The lever member 490 is displaced by the change in the volume of the detection chamber 482. As described above, the rod 662 (FIG. 4) is in contact with the lever member 490. When the inside of the printing material container 450 is sucked by the pump mechanism 7 in a state where ink is stored in the printing material container 450, the ink is also supplied into the detection chamber 482 along with the suction. Thereby, the pressure in the detection chamber 482 is maintained at a predetermined pressure. At this time, since the volume of the detection chamber 482 is maintained large, the rod 662 (FIG. 4) is against the urging force applied by the urging member 665 (FIG. 4) by the lever member 490. It has been pushed in the direction. On the other hand, when the inside of the printing material container 450 is sucked by the pump mechanism 7 in a state where the ink in the printing material container 450 is exhausted, the inside of the detection chamber 482 becomes negative pressure. The negative pressure in the detection chamber 482 reduces the volume in the detection chamber 482 compared to the predetermined pressure, and the lever member 490 is displaced. Accordingly, the rod 662 (FIG. 4) is displaced in the + Y-axis direction by the urging force applied by the urging member 665 (FIG. 4). When the sensor 138 (FIG. 4) detects the displacement of the rod 662 (FIG. 4) accompanying the displacement of the lever member 490, the control unit 31 can detect the ink end state. The detection chamber 482, the coil spring 496, the pressure receiving plate 493, the film 492, and the lever member 490 constitute a detection mechanism used for detecting the ink end state on the printer 10 side. The cartridge-side flow path member 480 further includes an injection flow path 483 for injecting ink into the printing material storage unit 450 from the outside. After the ink is injected into the printing material container 450, the injection channel 483 is blocked.

A-7. Effect As described above with reference to FIGS. 10 to 12, in this embodiment, the device-side terminal portion 70 is movable in the X-axis direction and the Z-axis direction. As shown in FIGS. 27 to 30, the cartridge 4 has a recess 90 in which such a device-side terminal portion 70 is inserted. Thereby, even when a manufacturing error has occurred in the cartridge mounting portion 6 or the cartridge 4, the device-side terminal portion 70 moves when the cartridge 4 is mounted in the cartridge mounting portion 6, so that the concave portion 90 of the cartridge 4 is moved. It is guided while absorbing the error (FIG. 34). Finally, the apparatus-side terminal group 721 and the cartridge-side terminal group 521 are positioned by the first and second restricting portions 906t and 906w provided in the recess 90. That is, when the mounting is completed and in the mounted state, the first and second restricting portions 906t and 906w provided in the concave portion 90 of the cartridge 4 are connected to the first and second positioning portions 756t and 756w of the device-side terminal portion 70. By restricting the movement in the Z-axis direction and the X-axis direction, the apparatus-side terminal group 721 and the cartridge-side terminal group 521 are positioned. Therefore, the device side terminal group 721 and the cartridge side terminal group 521 can be favorably contacted.

  In the above-described embodiment, as shown in FIG. 13, the rod 662 having the central axis Cb parallel to the Y-axis direction includes the first device-side side wall portion 63 and the second device-side front wall portion 62. Is provided at an intermediate position with respect to the apparatus side wall 64. As shown in FIG. 21, the rod insertion hole 420 into which the rod 662 is inserted is provided at an intermediate position in the Z-axis direction between the first and second side surfaces 43 and 44 on the front surface 42 of the cartridge 4. Yes. In this embodiment, the rod 662 is inserted into the rod insertion hole 420 so that the entire cartridge 4 is positioned with respect to the cartridge mounting portion 6 and the displacement from the correct mounting position is suppressed. Therefore, the position shift near the rod insertion hole 420 can be satisfactorily suppressed. However, the cartridge side terminal group 521 (FIG. 21) provided in the corner portion 89 of the front surface 42 and the rod insertion hole 420 are separated from each other, and the position of the member that is separated from the rod insertion hole 420 in this way. It may be difficult to suppress the deviation. In particular, since the cartridge 4 of the present embodiment is a large capacity type cartridge 4 used in the printer 10 for large format printing, the size is large, and the cartridge side terminal group 521 and the rod insertion hole 420 are separated as such. It is in. However, as described above, by adopting the configuration of the device-side terminal portion 70 that can move in the X-axis direction and the Z-axis direction and the concave portion 90 into which such device-side terminal portion 70 is inserted, the cartridge-side terminal Positioning of the group 521 and the device-side terminal group 721 can be performed with high accuracy. That is, according to the present embodiment, even if the cartridge 4 is a large-capacity type and a large size, the apparatus side terminal group can be obtained while accurately positioning the entire cartridge 4 and absorbing manufacturing errors of the cartridge 4. It becomes possible to position 721 and the cartridge side terminal group 521 with high accuracy.

  In the present embodiment, the printing material supply pipe 642 is provided between the rod 662 and the device-side terminal unit 70 (FIG. 13). A supply pipe insertion hole 424 into which the printing material supply pipe 642 is inserted is provided between the rod insertion hole 420 and the recess 90 (FIG. 21). That is, the printing material supply pipe 642 is provided at a position closer to the rod 662. The supply pipe insertion hole 424 is provided at a position closer to the rod insertion hole 420. Therefore, the positional deviation between the printing material supply pipe 642 and the supply pipe insertion hole 424 can be satisfactorily suppressed.

  As shown in FIG. 18, the device-side terminal group 721 is provided on a surface 724fa that is inclined toward a direction including the + Y-axis direction component and the −Z-axis direction component. As shown in FIG. 29, the cartridge-side terminal group 521 is provided on the inclined surface 50fa inclined toward the direction including the −Y-axis direction component and the + Z-axis direction component. In other words, both the device-side terminal group 721 and the cartridge-side terminal group 521 are provided on surfaces inclined at the same inclination with respect to the −Y-axis direction, which is the insertion direction of the cartridge 4 into the cartridge mounting portion 6. . As described above with reference to FIGS. 33 to 36, when the cartridge 4 is inserted into the cartridge mounting portion 6, the cartridge 4 advances in the −Y axis direction. At this time, the cartridge-side terminal group 521 also advances in the −Y-axis direction and gradually approaches the apparatus-side terminal group 721, but the two do not contact each other until just before the mounting is completed. In the final stage of mounting, after the apparatus-side terminal portion 70 is inserted into the concave portion 90 of the cartridge 4, the apparatus-side terminal group 721 and the cartridge-side terminal group 521 are slightly rubbed immediately before the mounting is completed (FIGS. 35 and 35). 36). When the mounting is completed and in the mounting state, the first and second restricting portions 906t and 906w provided in the concave portion 90 of the cartridge are used as the Z positions of the first and second positioning portions 756t and 756w of the device-side terminal portion 7. By restricting the movement in the axial direction and the X-axis direction, the apparatus-side terminal group 721 and the cartridge-side terminal group 521 are positioned. As described above, the apparatus-side terminal group 721 and the cartridge-side terminal group 521 hardly rub against each other when the cartridge 4 is mounted, while the apparatus-side terminal group 721 and the cartridge-side terminal are slightly slightly immediately before the mounting of the cartridge 4 is completed. By rubbing with the group 521, when the cartridge 4 is mounted, the possibility that the device-side terminal group 721 rubs against the case 9 or the like of the cartridge 4 to generate shavings can be reduced. Even if dust is present in the vicinity of the device-side terminal group 721 and is sandwiched between the device-side terminal group 721 and the cartridge-side terminal group 521, the device-side terminal group 721 covers the surface of the cartridge-side terminal group 521. By making contact while rubbing linearly, the effect of discharging dust from the contact portion (wiping effect) is exhibited, and the possibility of dust being caught between the device-side terminal group 721 and the cartridge-side terminal group 521 is reduced. it can.

  Further, according to the above embodiment, as shown in FIGS. 16, 17 and 36, the first and second positioning portions 756t, w of the device-side terminal portion 70 have an A at the end on the + Z-axis direction side. Surfaces 756ta and wa are provided, and B surfaces 756tb and wb are provided at the end on the −Z axis direction side. Then, as shown in FIGS. 28 to 30 and FIG. 36, in the grooves 906t and w serving as the first and second restricting portions provided in the concave portion 90, the A surface 942, 964 and the B surface 946, respectively. 966. As shown in FIG. 36, the A surfaces 942 and 964 of the grooves 906t and w are A surfaces 756ta provided at the + Z-axis direction ends of the first and second positioning portions 756t and w in the normal state of attachment. , Contact with wa. The B surfaces 946 and 966 of the grooves 906 t and w are in contact with the B surfaces 756 tb and wb provided at the −Z-axis direction ends of the first and second positioning portions 756 t and w in the normal state of attachment. That is, the first and second restricting portions 906t, w restrict the movement of the first and second positioning portions 756t, w in the ± Z direction. Thereby, the positioning of the cartridge side terminal group 521 with respect to the apparatus side terminal group 721 in the Z-axis direction can be performed with high accuracy. Therefore, the contact between the device-side terminal group 721 and the cartridge-side terminal group 521 can be further improved. In addition, since the device-side terminal unit 70 can be held on both sides in the + Z-axis direction and the −Z-axis direction, even if vibration or an external impact is applied when the printer 10 is used, the device-side terminal group due to such vibration or impact. The displacement of the contact position between the cartridge 721 and the cartridge side terminal group 521 can be suppressed.

  Furthermore, according to the above embodiment, as shown in FIGS. 16, 17, 27 and 28, the first groove 906t as the first restricting portion comes into contact with the first positioning portion 756t. The movement of the second positioning portion 756w in the −X-axis direction is restricted by contact with the second groove 906w as the second restriction portion. That is, the movement of the device-side terminal unit 70 in the ± X-axis direction is restricted by the first groove 906t and the second groove 906w. Thereby, the positioning of the cartridge side terminal group 521 in the X-axis direction with respect to the apparatus side terminal group 721 can be performed with high accuracy. Therefore, the contact between the device side terminal group 721 and the cartridge side terminal group 521 can be further improved. In addition, since the device-side terminal unit 70 can be held on both sides in the + X-axis direction and the −X-axis direction, even if vibration or an external impact is applied when the printer 10 is used, the device-side terminal group caused by such vibration or impact is used. The displacement of the contact position between 721 and the cartridge side terminal group 521 can be further suppressed.

  Further, in the above-described embodiment, as shown in FIGS. 28 to 30 and 36, the grooves 906t and w as the first and second restricting portions are in the + Y-axis direction of the first and second positioning portions, respectively. D surfaces 948 and 968 that contact the D surfaces 756td and wd at the side ends are provided. Accordingly, when the cartridge 4 is inserted into the cartridge mounting portion 6, the device side terminal portion 70 is prevented from excessively colliding with the bottom wall 988 in the cartridge concave portion 90 due to excessive advancement in the + Y-axis direction. Can do. Thereby, destruction of the apparatus side terminal part 70 can be prevented.

  In the above embodiment, as shown in FIGS. 27 to 30, the grooves 906t and 906w are formed in the first side walls 902t and 902w, respectively, so that the first and second positioning portions 756t and 756w move. It is possible to easily form first and second restricting portions for restricting the above. Further, in this embodiment, as shown in FIGS. 27 to 30, the component on the cartridge 4 side to be attached and detached by the user is a groove 906, and the immovable cartridge is mounted as shown in FIGS. 15 and 17. By using the protruding member 756 as the component on the part 6 side, the first and second restricting portions 906t and 906w of the cartridge 4 collide with the components of the printer 10 when attaching and detaching, and the printer 10 and the cartridge 4 are The possibility of breakage can be reduced.

  In the above embodiment, as shown in FIGS. 29, 30, and 33 to 36, the first and second restricting portions 906t, w are provided on the end surface on the −Y axis direction side, respectively. The inlet portions 916t, w extend from the openings 941, 961 in the + Y-axis direction, and the dimensions in the Z-axis direction decrease toward the + Y-axis direction. That is, the inlet portions 916t, w are provided with a taper that gradually decreases in size in the Z-axis direction. Thereby, even when a manufacturing error in the Z-axis direction occurs in the cartridge 4 or the cartridge mounting portion 6, the restricting portion 906 provided in the concave portion 90 of the cartridge 4 can move the device-side terminal portion 70 that can move in the Z-axis direction. The positioning portion 756 can be easily guided (FIG. 34). The first and second restricting portions 906t, w extend from the + Y-axis direction ends of the inlet portions 916t, w to the + Y-axis direction side, have a constant Z-axis dimension, and are first in the mounted state. And contact portions 926t, w that contact the second positioning portions 745t, w, respectively. Thus, after guiding the positioning portions 745t, w of the device-side terminal portion 70 to the inlet portions 916t, w, the positioning portions 721t, w are pushed to the contact portions 926t, w, thereby positioning the device-side terminal group 721 relative to the cartridge-side terminal group 521 with high accuracy. Can be done well.

  As shown in FIG. 28, in the above-described embodiment, the inlet portion 916 further decreases in the dimension in the X-axis direction from the −Y-axis direction toward the + Y-axis direction. Thereby, even when a manufacturing error in the X-axis direction occurs in the cartridge 4 or the cartridge mounting portion 6, the restricting portion 906 can easily guide the positioning portion 756. However, since the dimension (width) in the X-axis direction of each slot of the cartridge 4 and the cartridge mounting portion 6 is considerably smaller than the dimension in the Z-axis direction, these manufacturing errors in the X-axis direction are the manufacturing errors in the Z-axis direction. It is considered to be considerably smaller than the error. Therefore, the effect of facilitating guiding of the positioning portions 756t, w can be sufficiently achieved only by providing a taper in the Z-axis direction of the inlet portion 916 and without providing a taper in the X-axis direction. .

  Further, as shown in FIGS. 28 to 30, in this embodiment, the inlet portions 902wa and ta of the side walls 902w and t of the recess 90 are also tapered so as to correspond to the inlet portions 916t and w. That is, the distance between the side walls 902w and 902t at the entrance portions 902wa and ta portions (interval in the X-axis direction) decreases from the −Y-axis direction toward the + Y-axis direction. In this way, by widening the opening where the inlet portions 902wa and ta of the concave portion 90 receive the device-side terminal portion 70, the device-side terminal portion 70 can be easily guided to the concave portion 90 of the cartridge 4.

  As shown in FIG. 27, in the above-described embodiment, both sides of the surface 50fa in the X-axis direction of the bottom wall 988 of the recess 90, that is, the inclined surface 50fa provided with the cartridge side terminal group 521 and the recess 90 are provided. A pair of bottom wall side recesses 910t, w into which a part of the holder is inserted is provided between the first and second side walls 902t, w. By the pair of bottom wall side recesses 910t, w, a substantially triangular surface is exposed on the side of the cartridge side terminal group 521 on the + X axis direction side and the −X axis direction side. Thereby, when the cartridge side terminal group 521 is provided on the circuit board 50, the circuit board 50 can be easily attached and detached. Further, as shown in FIG. 16, the + Y-axis direction component and the −Z-axis direction component with respect to the surface 724 fa are present on the side of the device-side terminal group 721 on the + X-axis direction side and on the −X-axis direction side. A pair of protrusions 759t and w are provided so as to protrude in the including direction. The bottom wall side recesses 910t, w provided in the recess 90 serve as spaces for receiving the protrusions 759t, w, respectively. Then, by receiving the protrusions 759t, w in the bottom wall side recesses 910t, w, in addition to the positioning of the cartridge side terminal group 521 and the apparatus side terminal group 721 by the restricting portion 906 and the positioning portion 756 and the suppression of displacement, Even at a position closer to the cartridge side terminal group 521 and the apparatus side terminal group 721, it is possible to perform positioning of both of them and suppression of displacement. Thereby, contact with the apparatus side terminal group 721 and the cartridge side terminal group 521 can be aimed at more favorably.

  Further, in the above embodiment, as shown in FIG. 28, each element constituting the circuit board 50 and the recess 90 is provided symmetrically with respect to the YZ plane 28c constituting the center of the dimension of the cartridge 4 in the X-axis direction. ing. Although not shown in FIG. 28, the YZ plane 28c includes a first locking portion 436 (FIG. 25) provided on the first side surface 43 and a second locking portion 446 (FIG. 25) provided on the second side surface 44. It passes through the center of the dimension (width) in the Z-axis direction of FIG. Further, leaf springs 684 and 605 (FIGS. 6 and 7) for locking the first locking portion 436 and the second locking portion 446 intersect with the YZ plane 28c. Therefore, since the force received from the device-side terminal portion 70 and the leaf springs 604 and 684 (FIGS. 6 and 7) and the like acts on the cartridge 4 in a well-balanced state with the cartridge 4 mounted on the cartridge mounting portion 6, the cartridge 4 Is difficult to tilt. This also makes it possible to achieve better contact between the device-side terminal group 721 and the cartridge-side terminal group 521.

  Moreover, in the said Example, the cartridge mounting part 6 has the holder 750 which hold | maintains the terminal block 724 (FIGS. 14-16). In other words, in the above embodiment, the terminal block 724 and the device-side terminal group 721 are not attached directly to the device-side front wall 62 but are attached to the device-side front wall 62 via the holder 750. Is a component with excellent versatility. That is, the positioning unit 756 for positioning the device-side terminal group 721 and the cartridge-side terminal group 521 may differ depending on the specifications of the cartridge 4 and the printer 10. By providing the positioning unit 756 that requires design change not in the terminal block 724 but in the holder 750, the shape of the terminal block 724 and the device-side terminal group 721 held by the terminal block 724 can be made constant. As a result, the terminal block 724 and the device-side terminal group 721 become parts with excellent versatility.

B. Variations of the restriction part:
38A to 46B are schematic views for explaining various deformation modes of the restricting portion provided in the recess 90. FIG. FIG. 38A is a front view of the first modification. 38B is a cross-sectional view taken along the line 38-38 of FIG. 38A. FIG. 39A is a front view of the second modification. 39B is a cross-sectional view taken along line 39-39 in FIG. 39A. 40A is a front view of the third modification, and FIG. 40B is a cross-sectional view taken along the line 40-40 in FIG. 40A. FIG. 41A is a front view of the fourth modified embodiment. 41B is a cross-sectional view taken along line 41-41 of FIG. 41A. FIG. 42A is a front view of the fifth modified embodiment. 42B is a cross-sectional view taken along line 42-42 of FIG. 42A. FIG. 43A is a front view of the sixth modification. 43B is a cross-sectional view taken along line 43-43. FIG. 44A is a front view of the seventh modified embodiment. 44B is a cross-sectional view taken along the line 44-44 of FIG. 44A. FIG. 45A is a front view of the eighth modified embodiment. 45B is a cross-sectional view taken along the line 45-45 of FIG. 45A. FIG. 46A is a front view of the ninth modified embodiment. 46B is a cross-sectional view taken along the line 46-46 of FIG. 46A. 38A to 46B, the front view schematically shows the concave portion 90 and the vicinity thereof, and the cross-sectional view schematically shows the cross section of the concave portion 90 and the vicinity thereof. About all the deformation | transformation aspects of FIG. 38A thru | or FIG. 46B, it is the structure similar to 1st Example about structures other than the structure of the control part in which the positioning part 756 of the holder 750 is inserted. In FIGS. 38A to 46B, the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted. The configuration of the printer 10 is the same as that of the first embodiment. Since the first and second restricting portions have the same shape, in the cross-sectional views of FIGS. 38A to 46B, the first restricting portion is added to the reference numeral indicating the second restricting portion for easy understanding. The code | symbol which shows a part is also written together.

Each of the deformation modes of FIGS. 38A to 46B includes a convex portion protruding in the −X axis direction from the first side wall of the recess 90 and a convex portion protruding in the + X axis direction from the second side wall. These convex portions constitute first and second restricting portions. These convex portions may be provided separately from the first and second side walls of the concave portion 90 or may be provided integrally.
38A and 38B, grooves 906ta1 and wa1 having a shape similar to that of the first embodiment are formed by the convex portions 906ta and wa and the side walls 902ta and wa, and the grooves 906ta1 and wa1 are formed in the grooves 906ta1 and wa1. Positioning portions 756t, w of the device side terminal portion 70 are inserted. The inlet portions 916a of the grooves 906ta1 and wa1 are tapered only in the Z-axis direction. The movement of the positioning portions 756t, w of the device-side terminal unit 70 in the ± Z direction is restricted on the A surface (+ Z axis direction surface) and B surface (−X axis direction surface) of the grooves 906ta1, wa1. In other words, the movement in the + Y-axis direction is restricted on the D surface (surface on the + Y-axis direction side) of the grooves 906ta1 and wa1. The movement in the ± X-axis direction is regulated by the C surface formed by the side walls 902ta and wa. That is, the C surface is formed by a part of the side walls 902ta and wa.
39A and 39B, the second deformation mode shown in FIGS. 39A and 39B is a pair of protrusions 906tb1 and tb2 protruding in the −X axis direction from the first side wall 902tb of the recess 90, and protruding in the + X axis direction from the second side wall 902wb. And a pair of convex portions 906wb1 and wb2. The convex portions 906tb1, tb2, wb1, and wb2 correspond to those obtained by omitting the D surface (the surface on the + Y-axis direction side) from the grooves 906ta1 and wa1 of the first modification shown in FIGS. 38A and 38B. The protrusions 906tb1 and wb1 restrict the movement of the positioning portions 756t and w of the device-side terminal unit 70 in the + Z direction. The protrusions 906tb2 and wb2 restrict the movement of the positioning portions 756t and w of the device-side terminal unit 70 in the −Z direction. The movement in the ± X-axis direction is regulated by the side walls 902tb and wb.
40A and 40B, the pair of protrusions 906tc1 and tc2 protruding in the −X-axis direction from the first side wall 902tc of the recess 90 and the + X-axis direction protruded from the second side wall 902wc. A pair of convex portions 906wc1 and wc2 are provided. The third modification is that the opening ends in the −Y-axis direction of the convex portions 906tc1, tc2, wc1, and wc2 are aligned with the position of the opening 982 in the concave portion 90, and the end portion in the + Y-axis direction is behind the concave portion 90. The second modification is different from the second modification shown in FIGS. 39A and 39B in that it extends to the position of the wall 986, but is otherwise the same as the second modification.
41A and 41B includes a convex portion 906td projecting in the −X-axis direction from the first side wall 902td of the concave portion 90 and a convex portion 906wd projecting in the + X-axis direction from the second side wall 902wd. ing. The fourth modified embodiment is obtained by eliminating the convex portions 906tc2 and wc2 that restrict the movement in the −Z-axis direction among the positioning portions 756t and w of the device-side terminal unit 70 from the third modified embodiment shown in FIGS. 40A and 40B. It is. By the convex portions 906td, wd, the positioning portions 756t, w of the device-side terminal unit 70 can be regulated in the + Z direction. Since the movement in the −Z-axis direction is regulated by the device-side terminal group 721 and the cartridge-side terminal group 521 coming into contact with each other, the function of regulating the movement in the −Z-axis direction can be omitted. Further, regulation in the ± X axis direction is performed by the side walls 902td and wd.
42A and 42B includes a convex portion 906te that protrudes in the −X-axis direction from the first side wall 902te of the concave portion 90, and a convex portion 906we that protrudes in the + X-axis direction from the second side wall 902we. ing. In the fifth modified embodiment, a D surface that restricts the movement in the + Y-axis direction of the positioning portions 756t, w of the device-side terminal unit 70 is added to the convex portions 906td, wd of the fourth modified embodiment shown in FIGS. 41A and 41B. Is. The other points are common to the fourth modification.
43A to 46B, the sixth to ninth modifications are obtained by omitting the tapered inlet portions 916b to 916 from the second to fifth modifications shown in FIGS. 38A to 42B, respectively. is there. About other points, it is the same as the 2nd thru / or the 5th modification.

  The same effect as that of the first embodiment can be obtained by the above-described modification. However, in the fourth, fifth, eighth, and ninth modification modes that do not have the function of regulating the movement in the −Z-axis direction of the positioning portions 756t and w of the device-side terminal unit 70, the movement in the −Z direction is not performed. In the second to fourth and sixth to eighth modified modes that do not have the function of regulating the movement in the + Y direction and do not have the function of regulating the movement in the + Y direction, the effect of regulating the movement in the + Y direction is obtained. Needless to say, you can't. Moreover, according to the said modification, a 1st positioning part and a 2nd positioning part can be easily formed by providing the convex part which each protrudes in an X-axis direction in the 1st side wall and the 2nd side wall.

C. Variations:
As mentioned above, although one Example of this invention was described, this invention is not limited to such an Example, A various structure can be taken in the range which does not deviate from the meaning. For example, the following modifications are possible.

C-1. First modification:
In the above embodiment, the cartridges 4, 4 a have the printing material storage portion 450, but ink may be stored directly in the case 9.

C-2. Second modification:
In the above embodiment, the positioning portion 756 is provided in the holder 750. However, the positioning portion 756 may be provided in the terminal block 724 by simplifying the configuration of the holder 750. Moreover, in the said Example, although the apparatus side terminal group 721 which elastically deforms was employ | adopted, you may employ | adopt the apparatus side terminal group 721 which does not elastically deform. Even if the device-side terminal group 721 is not elastically deformed, when the device-side terminal portion 721 is inserted into the concave portion 90, it makes a slight movement in the + Z-axis direction after contacting the cartridge-side terminal portion 521. May be obtained.

C-3. Third modification:
Further, the cartridge may be configured in the following manner.
First aspect:
A cartridge mounting portion for mounting the cartridge;
A device-side terminal disposed inside the cartridge mounting portion, the device-side terminal having a surface inclined with respect to the insertion direction when the cartridge is mounted and a device-side terminal provided with a contact exposed from the surface A device-side terminal portion that is movably attached to the cartridge mounting portion in a direction orthogonal to the insertion direction. ,
A case having a substantially rectangular parallelepiped shape for accommodating a printing material therein, and a case having a recess in a portion where two surfaces of the plurality of surfaces constituting the case intersect;
A cartridge-side terminal that comes into contact with the contact of the device-side terminal when the cartridge is mounted on the cartridge mounting portion, and is an inclined surface that is inclined with respect to the insertion direction among surfaces that define the concave portion A cartridge side terminal provided in
The concave portion is a restricting portion in which a part of the device-side terminal portion is inserted to restrict movement of the device-side terminal portion, and before the contact between the cartridge-side terminal and the device-side terminal is started. A cartridge having a restricting portion into which a part of the device side terminal portion is inserted.
The cartridge of the first aspect also has the same effect as application example 1.

The first aspect may incorporate the configuration described in any one of Application Examples 1 to 8. For example, as in Application Example 2, the restriction portion (first and second restriction portions) includes a contact surface with which a part of the device-side terminal portion (first and second positioning portions) comes into contact, The contact surface is in contact with the + Z-axis direction side contact surface of a part of the device-side terminal portion, and in contact with the −Z-axis direction side edge of a portion of the device-side terminal portion. A direction-side contact surface.
Further, for example, as in Application Example 3, the restricting portion (first and second restricting portions) may include an inlet portion and a contact portion.

C-4. Fourth modification:
The present invention can be applied not only to an ink jet printer and its ink cartridge, but also to an arbitrary printing apparatus that ejects liquid other than ink and its cartridge. For example, the present invention can be applied to the following various printing apparatuses and cartridges thereof.
(1) Image recording device such as facsimile device (2) Printing device for ejecting color material used for manufacturing color filter for image display device such as liquid crystal display (3) Organic EL (Electro Luminescence) display and surface emission Printing device that ejects electrode materials used for electrode formation such as displays (Field Emission Display, FED) (4) Printing device that ejects liquid containing bio-organic matter used in biochip manufacturing (5) Sample printing as a precision pipette Equipment (6) Lubricating oil printing equipment (7) Resin liquid printing equipment (8) Printing equipment for injecting lubricating oil pinpoint to precision machines such as watches and cameras (9) Micro hemispheres used for optical communication elements, etc. Printing device that injects transparent resin liquid such as UV curable resin liquid onto the substrate to form lenses (optical lenses) etc. (10) Etch the substrate Acidic or printing device (11) for injecting an alkaline etchant any other printing apparatus including a liquid ejecting head adapted to eject small amounts of a liquid droplet to

  The term “droplet” refers to the state of the liquid ejected from the printing apparatus, and includes liquid droplets that are granular, tear-like, or thread-like. The “liquid” here may be any material that can be ejected by the printing apparatus. For example, the “liquid” may be a material in a state in which the substance is in a liquid phase, such as a material in a liquid state having high or low viscosity, and sol, gel water, other inorganic solvents, organic solvents, solutions, Liquid materials such as liquid resins and liquid metals (metal melts) are also included in the “liquid”. Further, “liquid” includes not only a liquid as one state of a substance but also a liquid obtained by dissolving, dispersing or mixing particles of a functional material made of a solid such as a pigment or metal particles in a solvent. Further, representative examples of the liquid include ink and liquid crystal as described in the above embodiment. Here, the ink includes various liquid compositions such as general water-based ink and oil-based ink, gel ink, and hot-melt ink.

  DESCRIPTION OF SYMBOLS 1 ... Printing material supply system 4, 4a ... Cartridge, 5 ... Cap member, 6 ... Cartridge mounting part, 7 ... Pump mechanism, 9 ... Case, 10 ... Printer, 11 ... Front cover, 13 ... Replacement cover, 15 ... Operation buttons, 20 ... carriage, 22 ... head, 24 ... tube, 30 ... drive mechanism, 31 ... control unit, 32 ... timing belt, 34 ... drive motor, 42 ... front, 43 ... first side (upper surface), 44 ... 2nd side surface (bottom surface), 45 ... 3rd side surface (right side surface), 46 ... 4th side surface (left side surface), 47 ... rear surface, 49 ... recessed part, 50 ... circuit board, 50fa ... surface (inclined surface), 50fb ... Back surface 61... Cartridge housing chamber 62 .. device side front wall portion 63... First device side wall portion 64 .. second device side wall portion 65. Third device side wall portion 66. Side wall of device side, 67 ... open Wall part 69 ... Opening 70 ... Device side terminal part 88, 89 ... Corner part, 90 ... Recess, 138 ... Sensor, 420 ... Rod insertion hole, 421 ... Restricting surface, 424 ... Supply pipe insertion hole, 432 ... No. 1 convex part, 436 ... 1st latching | locking part, 442 ... 2nd convex part, 446 ... 2nd latching | locking part, 450 ... printing material accommodating part, 480 ... cartridge side flow path member, 482 ... detection chamber, 484 ... printing Material outlet tube, 490 ... lever member, 491 ... cartridge side identification member, 492 ... film, 493 ... pressure receiving plate, 495 ... check valve, 496 ... coil spring, 521 ... cartridge side terminal group, 521a ... cartridge side terminal, 525 ... Storage device 602 ... Second rail, 604 ... Plate spring, 610 ... Device side identification member, 612 ... Regulator member, 640 ... Printing material supply mechanism, 642 ... Printing material supply pipe, 643 ... Tip, 6 4 ... Base end part, 646 ... Seal member, 647 ... Supply flow path, 648 ... Communication hole, 649 ... Mounting member, 650 ... Cover member, 652 ... Biasing member, 653 ... Spattering prevention part, 655 ... Communication part, 656 ... through-hole, 658 ... contact member, 659 ... flow pipe, 662 ... rod, 663 ... one end, 664 ... other end, 665 ... biasing member, 666 ... light shielding part, 670 ... rod cover, 672 ... lever, 680 ... Bar-shaped member, 682 ... first rail, 684 ... leaf spring, 690 ... first front wall, 692 ... second front wall, 694 ... terminal mounting portion, 694A, 694b ... engaging portion, 696 ... support wall, 698 ... fitting hole, 721 ... device side terminal group, 721a ... device side terminal, 721r ... shaft, 722 ... terminal contact, 722a ... terminal contact, 723 ... terminal contact, 724 ... terminal block, 724fa ... surface 724 fb ... back surface, 730 ... connector board, 732 ... terminal group, 739 ... connector, 750 ... holder, 751 ... housing space, 752 ... wall part, 752t ... first wall part, 752w ... second wall part, 756 ... positioning part, 756t ... first positioning portion, 756w ... second positioning portion, 756ta, 756wa ... A surface, 756tb, 756wb ... B surface, 756tc, 756wc ... C surface, 756td, 756wd ... D surface, 757 ... end, 759 ... projection, 759t ... first projection, 759w ... second projection, 762 ... terminal side fitting portion, 762a, 762b ... engagement portion, 900 ... terminal accommodating chamber, 902 ... side wall, 902t, 902ta-ti ... first Side wall, 902w, 902wa to wi ... second side wall, 906 ... groove (regulator), 906a ... regulator, 906t ... first groove (first regulator), 90 w ... second groove (second regulating portion), 910 ... bottom wall side recess, 910t ... first bottom wall side recess, 910w ... second bottom wall side recess, 906ta, 906wa ... projection, 906ta1, 906wa1 ... groove, 906tb1, 906tb2, 906wb1, 906wb2 ... convex, 906tc1, 906tc2, 906wc1, 906wc2 ... convex, 906td, 906te, 906wd, 906we ... convex, 906tf1, 906tf2, 906wf1, 906f1, 906ff1, 906ff 906tg2, 906wg1, 906wg2 ... convex portion, 906th, 906ti, 906wh, 906wi ... convex portion, 916, 916a to e ... inlet portion, 916t ... first inlet portion, 916w ... second inlet portion, 926 ... contact portion, 926t: first contact portion, 926w: first 940 ... first contact surface, 941 ... opening, 952a ... first projection, 952b ... second projection, 960 ... second contact surface, 961 ... opening, 972a ... third projection, 972b ... 4th convex part, 982 ... Opening, 984 ... Opening, 986 ... Rear wall, 988 ... Bottom wall, C ... Center axis, 942 ... A surface, 946 ... B surface, 944 ... C surface, 948 ... D surface, 962 ... A surface, 966 ... B surface, 964 ... C surface, 968 ... D surface, S1 ... label, BT ... bolt, Xa ... dimension, Cb ... center axis, Xb ... dimension, Ce ... center axis

Claims (18)

  1. A case that can be mounted on a mounting portion of a printing apparatus, comprising: a printing material supply pipe; a device-side terminal group; a rail that guides the case to a mounting position; and a locking member that locks the case to the mounting position. There,
    A case-side terminal group in contact with the device-side terminal group in a mounted state in which the case is mounted;
    A convex portion that is inserted into the rail, and has a first portion and a second portion that are spaced apart in a direction along an insertion direction of the case into the mounting portion. ,
    In the mounted state, the locking member is inserted between the first portion and the second portion in the direction along the insertion direction ,
    The direction along the insertion direction is the Y-axis direction, orthogonal to the Y-axis direction, and the direction along the vertical direction in the mounted state is the Z-axis direction, and is orthogonal to the Y-axis direction and the Z-axis direction. When the direction is the X-axis direction,
    The center of the convex portion in the X-axis direction passes through a case-side terminal that contacts a device-side terminal provided in a central portion of the device-side terminal group in the X-axis direction, and the Y-axis direction, and the A case that passes through the YZ plane, which is a plane parallel to the Z-axis direction .
  2. The case of claim 1,
    In the wearing state,
    A front surface formed with a supply pipe insertion hole into which the printing material supply pipe is inserted;
    A rear surface facing the front surface;
    A first side that is an upper surface;
    A second side facing the first side;
    A third side surface intersecting the front surface, the rear surface, the first side surface, and the second side surface;
    A fourth side surface facing the third side surface,
    The direction along the direction from the front surface to the rear surface is the Y-axis direction, the direction along the direction from the first side surface to the second side surface is the Z-axis direction, and the direction from the third side surface to the fourth side surface. in along the direction is the X-axis direction, to case.
  3. The case according to claim 2,
    The case where the center in the X-axis direction of the locking part formed between the first part and the second part passes through the YZ plane.
  4. The case according to claim 3,
    The YZ plane intersects with the locking member.
  5. The case of claim 1,
    In the wearing state,
    A first side that is an upper surface;
    A second side facing the first side,
    The said convex part is a case currently formed in the said 1st side surface and the said 2nd side surface.
  6. The case of claim 5, further comprising:
    In the wearing state,
    A front surface formed with a supply pipe insertion hole into which the printing material supply pipe is inserted;
    A rear surface facing the front surface;
    A third side surface intersecting the front surface, the rear surface, the first side surface, and the second side surface;
    A fourth side surface facing the third side surface,
    Direction along the direction from the third side to the fourth side is the X-axis direction,
    In the X-axis direction, the dimension of the first convex part that is the convex part formed on the first side surface is different from the dimension of the second convex part that is the convex part formed on the second side surface. Case.
  7. The case according to any one of claims 1 to 6,
    In the mounted state, the locking member is inserted between the first part and the second part in the direction along the insertion direction, so that the case is locked to the locking member and the A case in which movement of the case in the removal direction opposite to the insertion direction is restricted.
  8. A printing device;
    A printing material supply system comprising: the case according to any one of claims 1 to 7.
  9. A printing device,
    A mounting portion having a printing material supply pipe, a device-side terminal group, a rail for guiding the case to a mounting position, and a locking member for locking the case to the mounting position;
    A printing apparatus in which the case according to any one of claims 1 to 7 is mounted on the mounting portion.
  10. A cartridge that can be mounted to a mounting portion of a printing apparatus, comprising: a printing material supply pipe; a device-side terminal group; a rail that guides the cartridge to a mounting position; and a locking member that locks the cartridge to the mounting position. There,
    A cartridge-side terminal group in contact with the device-side terminal group in a mounted state in which the cartridge is mounted;
    A convex portion that is inserted into the rail, and has a first portion and a second portion that are spaced apart in a direction along an insertion direction of the cartridge into the mounting portion. ,
    In the mounted state, the locking member is inserted between the first portion and the second portion in the direction along the insertion direction ,
    The direction along the insertion direction is the Y-axis direction, orthogonal to the Y-axis direction, and the direction along the vertical direction in the mounted state is the Z-axis direction, and is orthogonal to the Y-axis direction and the Z-axis direction. When the direction is the X-axis direction,
    The center of the convex portion in the X-axis direction passes through the cartridge-side terminal in contact with the device-side terminal provided in the central portion in the X-axis direction of the device-side terminal group, and the Y-axis direction, and the A cartridge that passes through a YZ plane, which is a plane parallel to the Z-axis direction .
  11. The cartridge according to claim 10, wherein
    In the wearing state,
    A front surface formed with a supply pipe insertion hole into which the printing material supply pipe is inserted;
    A rear surface facing the front surface;
    A first side that is an upper surface;
    A second side facing the first side;
    A third side surface intersecting the front surface, the rear surface, the first side surface, and the second side surface;
    A fourth side surface facing the third side surface,
    The direction along the direction from the front surface to the rear surface is the Y-axis direction, the direction along the direction from the first side surface to the second side surface is the Z-axis direction, and the direction from the third side surface to the fourth side surface. it is the X-axis direction is the direction along the cartridge.
  12. The cartridge according to claim 11, wherein
    The center of the X-axis direction of the locking part formed between the first part and the second part passes through the YZ plane.
  13. The cartridge according to claim 12, wherein
    The YZ plane intersects the locking member.
  14. The cartridge according to claim 10, wherein
    In the wearing state,
    A first side that is an upper surface;
    A second side facing the first side,
    The convex portion is a cartridge formed on the first side surface and the second side surface.
  15. 15. The cartridge according to claim 14, further comprising:
    In the wearing state,
    A front surface formed with a supply pipe insertion hole into which the printing material supply pipe is inserted;
    A rear surface facing the front surface;
    A third side surface intersecting the front surface, the rear surface, the first side surface, and the second side surface;
    A fourth side surface facing the third side surface,
    Direction along the direction from the third side to the fourth side is the X-axis direction,
    In the X-axis direction, the dimension of the first convex part that is the convex part formed on the first side surface is different from the dimension of the second convex part that is the convex part formed on the second side surface. cartridge.
  16. The cartridge according to any one of claims 10 to 15,
    In the mounted state, by inserting the locking member between the first portion and the second portion in the direction along the insertion direction, the cartridge is locked by the locking member and A cartridge in which movement of the cartridge in a removal direction opposite to the insertion direction is restricted.
  17. A printing device;
    A printing material supply system comprising: the cartridge according to any one of claims 10 to 16.
  18. A printing device,
    A mounting portion having a printing material supply pipe, a device side terminal group, a rail for guiding the cartridge to the mounting position, and a locking member for locking the cartridge to the mounting position;
    A printing apparatus in which the cartridge according to any one of claims 10 to 16 is mounted on the mounting portion.
JP2015024065A 2012-01-13 2015-02-10 Case, printing apparatus, cartridge, and printing material supply system Active JP6032301B2 (en)

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JP2012022819 2012-02-06
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US8297739B1 (en) * 2012-03-02 2012-10-30 Seiko Epson Corporation Cartridge and printing material supply system
JP6051595B2 (en) 2012-05-21 2016-12-27 セイコーエプソン株式会社 cartridge
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